31030213200031 has 16 divisors (see below), whose sum is σ = 31919735232000. Its totient is φ = 30148650620928.

The previous prime is 31030213200017. The next prime is 31030213200037. The reversal of 31030213200031 is 13000231203013.

It is a cyclic number.

It is not a de Polignac number, because 31030213200031 - 2¹⁵ = 31030213167263 is a prime.

It is a super-2 number, since 2×31030213200031² (a number of 28 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 31030213199981 and 31030213200008.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31030213200037) 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, 5993020 + ... + 9898318.

It is an arithmetic number, because the mean of its divisors is an integer number (1994983452000).

Almost surely, 2^{31030213200031} is an apocalyptic number.

31030213200031 is a deficient number, since it is larger than the sum of its proper divisors (889522031969).

31030213200031 is a wasteful number, since it uses less digits than its factorization.

31030213200031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3906318.

The product of its (nonzero) digits is 324, while the sum is 19.

Adding to 31030213200031 its reverse (13000231203013), we get a palindrome (44030444403044).

The spelling of 31030213200031 in words is "thirty-one trillion, thirty billion, two hundred thirteen million, two hundred thousand, thirty-one".