1313154431 has 8 divisors (see below), whose sum is σ = 1319153040. Its totient is φ = 1307168128.

The previous prime is 1313154413. The next prime is 1313154439. The reversal of 1313154431 is 1344513131.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1313154431 - 2²² = 1308960127 is a prime.

It is a super-4 number, since 4×1313154431⁴ (a number of 38 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1313154431.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1313154439) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 259655 + ... + 264663.

It is an arithmetic number, because the mean of its divisors is an integer number (164894130).

Almost surely, 2^1313154431 is an apocalyptic number.

1313154431 is a deficient number, since it is larger than the sum of its proper divisors (5998609).

1313154431 is an equidigital number, since it uses as much as digits as its factorization.

1313154431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6153.

The product of its digits is 2160, while the sum is 26.

The square root of 1313154431 is about 36237.4727457642. The cubic root of 1313154431 is about 1095.0617288998.

Adding to 1313154431 its reverse (1344513131), we get a palindrome (2657667562).

The spelling of 1313154431 in words is "one billion, three hundred thirteen million, one hundred fifty-four thousand, four hundred thirty-one".