120031534132531 has 8 divisors (see below), whose sum is σ = 137178962484480. Its totient is φ = 102884122363848.

The previous prime is 120031534132507. The next prime is 120031534132597. The reversal of 120031534132531 is 135231435130021.

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

It is not a de Polignac number, because 120031534132531 - 2²¹ = 120031532035379 is a prime.

It is a super-2 number, since 2×120031534132531² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (120031534232531) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25440240 + ... + 29787058.

It is an arithmetic number, because the mean of its divisors is an integer number (17147370310560).

Almost surely, 2^{120031534132531} is an apocalyptic number.

120031534132531 is a deficient number, since it is larger than the sum of its proper divisors (17147428351949).

120031534132531 is an equidigital number, since it uses as much as digits as its factorization.

120031534132531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8291633.

The product of its (nonzero) digits is 32400, while the sum is 34.

Adding to 120031534132531 its reverse (135231435130021), we get a palindrome (255262969262552).

The spelling of 120031534132531 in words is "one hundred twenty trillion, thirty-one billion, five hundred thirty-four million, one hundred thirty-two thousand, five hundred thirty-one".