120131331131 has 16 divisors (see below), whose sum is σ = 140653094400. Its totient is φ = 102559401000.

The previous prime is 120131331101. The next prime is 120131331157. The reversal of 120131331131 is 131133131021.

It is not a de Polignac number, because 120131331131 - 2¹⁸ = 120131068987 is a prime.

It is a super-2 number, since 2×120131331131² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (120131331101) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 611591 + ... + 783776.

It is an arithmetic number, because the mean of its divisors is an integer number (8790818400).

Almost surely, 2^120131331131 is an apocalyptic number.

120131331131 is a deficient number, since it is larger than the sum of its proper divisors (20521763269).

120131331131 is an equidigital number, since it uses as much as digits as its factorization.

120131331131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1395639 (or 1395625 counting only the distinct ones).

The product of its (nonzero) digits is 162, while the sum is 20.

Adding to 120131331131 its reverse (131133131021), we get a palindrome (251264462152).

The spelling of 120131331131 in words is "one hundred twenty billion, one hundred thirty-one million, three hundred thirty-one thousand, one hundred thirty-one".