31033232130120 has 64 divisors (see below), whose sum is σ = 101563305157440. Its totient is φ = 7523207788800.

The previous prime is 31033232130119. The next prime is 31033232130139. The reversal of 31033232130120 is 2103123233013.

It is a super-2 number, since 2×31033232130120² (a number of 28 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11755010851 + ... + 11755013490.

It is an arithmetic number, because the mean of its divisors is an integer number (1586926643085).

Almost surely, 2^{31033232130120} is an apocalyptic number.

31033232130120 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

31033232130120 is an abundant number, since it is smaller than the sum of its proper divisors (70530073027320).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

31033232130120 is a wasteful number, since it uses less digits than its factorization.

31033232130120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23510024366 (or 23510024362 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 24.

Adding to 31033232130120 its reverse (2103123233013), we get a palindrome (33136355363133).

The spelling of 31033232130120 in words is "thirty-one trillion, thirty-three billion, two hundred thirty-two million, one hundred thirty thousand, one hundred twenty".