1313154055 has 4 divisors (see below), whose sum is σ = 1575784872. Its totient is φ = 1050523240.

The previous prime is 1313154047. The next prime is 1313154061. The reversal of 1313154055 is 5504513131.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 1313154055 - 2³ = 1313154047 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 131315401 + ... + 131315410.

It is an arithmetic number, because the mean of its divisors is an integer number (393946218).

Almost surely, 2^1313154055 is an apocalyptic number.

1313154055 is a deficient number, since it is larger than the sum of its proper divisors (262630817).

1313154055 is an equidigital number, since it uses as much as digits as its factorization.

1313154055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 262630816.

The product of its (nonzero) digits is 4500, while the sum is 28.

The square root of 1313154055 is about 36237.4675577640. The cubic root of 1313154055 is about 1095.0616243822.

Adding to 1313154055 its reverse (5504513131), we get a palindrome (6817667186).

The spelling of 1313154055 in words is "one billion, three hundred thirteen million, one hundred fifty-four thousand, fifty-five".