31774655103213 has 16 divisors (see below), whose sum is σ = 47466806642496. Its totient is φ = 18736897357440.

The previous prime is 31774655103161. The next prime is 31774655103223. The reversal of 31774655103213 is 31230155647713.

It is not a de Polignac number, because 31774655103213 - 2¹⁰ = 31774655102189 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31774655103223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13011733056 + ... + 13011735497.

It is an arithmetic number, because the mean of its divisors is an integer number (2966675415156).

Almost surely, 2^{31774655103213} is an apocalyptic number.

31774655103213 is a gapful number since it is divisible by the number (33) formed by its first and last digit.

It is an amenable number.

31774655103213 is a deficient number, since it is larger than the sum of its proper divisors (15692151539283).

31774655103213 is a wasteful number, since it uses less digits than its factorization.

31774655103213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26023468604.

The product of its (nonzero) digits is 1587600, while the sum is 48.

The spelling of 31774655103213 in words is "thirty-one trillion, seven hundred seventy-four billion, six hundred fifty-five million, one hundred three thousand, two hundred thirteen".