2031512556213 has 48 divisors (see below), whose sum is σ = 3411517549440. Its totient is φ = 1140831050112.

The previous prime is 2031512556191. The next prime is 2031512556239. The reversal of 2031512556213 is 3126552151302.

2031512556213 is a `hidden beast` number, since 2 + 0 + 3 + 1 + 5 + 1 + 25 + 5 + 621 + 3 = 666.

It is not a de Polignac number, because 2031512556213 - 2¹⁶ = 2031512490677 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2031512552213) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 12007395 + ... + 12175407.

It is an arithmetic number, because the mean of its divisors is an integer number (71073282280).

Almost surely, 2^{2031512556213} is an apocalyptic number.

It is an amenable number.

2031512556213 is a deficient number, since it is larger than the sum of its proper divisors (1380004993227).

2031512556213 is a wasteful number, since it uses less digits than its factorization.

2031512556213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 171338 (or 171335 counting only the distinct ones).

The product of its (nonzero) digits is 54000, while the sum is 36.

The spelling of 2031512556213 in words is "two trillion, thirty-one billion, five hundred twelve million, five hundred fifty-six thousand, two hundred thirteen".