32131021232013 has 64 divisors (see below), whose sum is σ = 50061867540480. Its totient is φ = 18138965644800.

The previous prime is 32131021231997. The next prime is 32131021232017. The reversal of 32131021232013 is 31023212013123.

It is not a de Polignac number, because 32131021232013 - 2⁴ = 32131021231997 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (32131021232017) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 706843 + ... + 8047463.

It is an arithmetic number, because the mean of its divisors is an integer number (782216680320).

Almost surely, 2^{32131021232013} is an apocalyptic number.

32131021232013 is a gapful number since it is divisible by the number (33) formed by its first and last digit.

It is an amenable number.

32131021232013 is a deficient number, since it is larger than the sum of its proper divisors (17930846308467).

32131021232013 is a wasteful number, since it uses less digits than its factorization.

32131021232013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7340810.

The product of its (nonzero) digits is 1296, while the sum is 24.

Adding to 32131021232013 its reverse (31023212013123), we get a palindrome (63154233245136).

The spelling of 32131021232013 in words is "thirty-two trillion, one hundred thirty-one billion, twenty-one million, two hundred thirty-two thousand, thirteen".