2131020312232 has 32 divisors (see below), whose sum is σ = 4567789638720. Its totient is φ = 913030911360.

The previous prime is 2131020312217. The next prime is 2131020312233. The reversal of 2131020312232 is 2322130201312.

It is a super-2 number, since 2×2131020312232² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2131020312233) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5293869 + ... + 5682172.

It is an arithmetic number, because the mean of its divisors is an integer number (142743426210).

Almost surely, 2^{2131020312232} is an apocalyptic number.

It is an amenable number.

2131020312232 is an abundant number, since it is smaller than the sum of its proper divisors (2436769326488).

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

2131020312232 is a wasteful number, since it uses less digits than its factorization.

2131020312232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10979521 (or 10979517 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 2131020312232 its reverse (2322130201312), we get a palindrome (4453150513544).

The spelling of 2131020312232 in words is "two trillion, one hundred thirty-one billion, twenty million, three hundred twelve thousand, two hundred thirty-two".