2131031133012 has 12 divisors (see below), whose sum is σ = 4972405977056. Its totient is φ = 710343711000.

The previous prime is 2131031133001. The next prime is 2131031133083. The reversal of 2131031133012 is 2103311301312.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (12).

It is a self number, because there is not a number n which added to its sum of digits gives 2131031133012.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 88792963864 + ... + 88792963887.

Almost surely, 2^{2131031133012} is an apocalyptic number.

It is an amenable number.

2131031133012 is an abundant number, since it is smaller than the sum of its proper divisors (2841374844044).

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

2131031133012 is a wasteful number, since it uses less digits than its factorization.

2131031133012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 177585927758 (or 177585927756 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 21.

Adding to 2131031133012 its reverse (2103311301312), we get a palindrome (4234342434324).

The spelling of 2131031133012 in words is "two trillion, one hundred thirty-one billion, thirty-one million, one hundred thirty-three thousand, twelve".