2131020013332 has 48 divisors (see below), whose sum is σ = 5695547945472. Its totient is φ = 607488442080.

The previous prime is 2131020013279. The next prime is 2131020013333. The reversal of 2131020013332 is 2333100201312.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a junction number, because it is equal to n+sod(n) for n = 2131020013299 and 2131020013308.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2131020013333) 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, 28596294 + ... + 28670717.

It is an arithmetic number, because the mean of its divisors is an integer number (118657248864).

Almost surely, 2^{2131020013332} is an apocalyptic number.

It is an amenable number.

2131020013332 is an abundant number, since it is smaller than the sum of its proper divisors (3564527932140).

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

2131020013332 is a wasteful number, since it uses less digits than its factorization.

2131020013332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57267468 (or 57267466 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 2131020013332 its reverse (2333100201312), we get a palindrome (4464120214644).

The spelling of 2131020013332 in words is "two trillion, one hundred thirty-one billion, twenty million, thirteen thousand, three hundred thirty-two".