312031202130213 has 64 divisors (see below), whose sum is σ = 436406982861312. Its totient is φ = 198120683704320.

The previous prime is 312031202130161. The next prime is 312031202130247.

312031202130213 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 312031202130213 - 2⁶ = 312031202130149 is a prime.

It is a super-2 number, since 2×312031202130213² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (312031202131213) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 4874465395 + ... + 4874529407.

It is an arithmetic number, because the mean of its divisors is an integer number (6818859107208).

Almost surely, 2^{312031202130213} is an apocalyptic number.

It is an amenable number.

312031202130213 is a deficient number, since it is larger than the sum of its proper divisors (124375780731099).

312031202130213 is a wasteful number, since it uses less digits than its factorization.

312031202130213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68654.

The product of its (nonzero) digits is 1296, while the sum is 24.

It can be divided in two parts, 31203120 and 2130213, that added together give a palindrome (33333333).

The spelling of 312031202130213 in words is "three hundred twelve trillion, thirty-one billion, two hundred two million, one hundred thirty thousand, two hundred thirteen".