31233201010013 has 4 divisors (see below), whose sum is σ = 31298406023040. Its totient is φ = 31167995996988.

The previous prime is 31233201010009. The next prime is 31233201010051. The reversal of 31233201010013 is 31001010233213.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 31233201010013 - 2² = 31233201010009 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31233201015013) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32602505795 + ... + 32602506752.

It is an arithmetic number, because the mean of its divisors is an integer number (7824601505760).

Almost surely, 2^{31233201010013} is an apocalyptic number.

It is an amenable number.

31233201010013 is a deficient number, since it is larger than the sum of its proper divisors (65205013027).

31233201010013 is an equidigital number, since it uses as much as digits as its factorization.

31233201010013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65205013026.

The product of its (nonzero) digits is 324, while the sum is 20.

Adding to 31233201010013 its reverse (31001010233213), we get a palindrome (62234211243226).

The spelling of 31233201010013 in words is "thirty-one trillion, two hundred thirty-three billion, two hundred one million, ten thousand, thirteen".