31213300202013 has 16 divisors (see below), whose sum is σ = 41802580645056. Its totient is φ = 20716449899520.

The previous prime is 31213300201999. The next prime is 31213300202027. The reversal of 31213300202013 is 31020200331213.

It is an interprime number because it is at equal distance from previous prime (31213300201999) and next prime (31213300202027).

It is not a de Polignac number, because 31213300202013 - 2¹⁰ = 31213300200989 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31213300202083) 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, 18378045 + ... + 20004477.

It is an arithmetic number, because the mean of its divisors is an integer number (2612661290316).

Almost surely, 2^{31213300202013} is an apocalyptic number.

It is an amenable number.

31213300202013 is a deficient number, since it is larger than the sum of its proper divisors (10589280443043).

31213300202013 is a wasteful number, since it uses less digits than its factorization.

31213300202013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1654844.

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

Adding to 31213300202013 its reverse (31020200331213), we get a palindrome (62233500533226).

The spelling of 31213300202013 in words is "thirty-one trillion, two hundred thirteen billion, three hundred million, two hundred two thousand, thirteen".