2131023011232 has 96 divisors (see below), whose sum is σ = 5735785934592. Its totient is φ = 692498985984.

The previous prime is 2131023011191. The next prime is 2131023011233. The reversal of 2131023011232 is 2321103201312.

It is a tau number, because it is divible by the number of its divisors (96).

It is a junction number, because it is equal to n+sod(n) for n = 2131023011199 and 2131023011208.

It is not an unprimeable number, because it can be changed into a prime (2131023011233) 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, 535048 + ... + 2132679.

It is an arithmetic number, because the mean of its divisors is an integer number (59747770152).

Almost surely, 2^{2131023011232} is an apocalyptic number.

It is an amenable number.

2131023011232 is an abundant number, since it is smaller than the sum of its proper divisors (3604762923360).

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

2131023011232 is a wasteful number, since it uses less digits than its factorization.

2131023011232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2667950 (or 2667942 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 2131023011232 its reverse (2321103201312), we get a palindrome (4452126212544).

The spelling of 2131023011232 in words is "two trillion, one hundred thirty-one billion, twenty-three million, eleven thousand, two hundred thirty-two".