2031213104031 has 32 divisors (see below), whose sum is σ = 2778096192768. Its totient is φ = 1319741280000.

The previous prime is 2031213103973. The next prime is 2031213104033. The reversal of 2031213104031 is 1304013121302.

It is not a de Polignac number, because 2031213104031 - 2⁶ = 2031213103967 is a prime.

It is a super-2 number, since 2×2031213104031² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2031213103989 and 2031213104007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2031213104033) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7214656 + ... + 7490906.

It is an arithmetic number, because the mean of its divisors is an integer number (86815506024).

Almost surely, 2^{2031213104031} is an apocalyptic number.

2031213104031 is a deficient number, since it is larger than the sum of its proper divisors (746883088737).

2031213104031 is a wasteful number, since it uses less digits than its factorization.

2031213104031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 276711.

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 2031213104031 its reverse (1304013121302), we get a palindrome (3335226225333).

The spelling of 2031213104031 in words is "two trillion, thirty-one billion, two hundred thirteen million, one hundred four thousand, thirty-one".