31312030110213 has 16 divisors (see below), whose sum is σ = 41770327113216. Its totient is φ = 20864210571120.

The previous prime is 31312030110211. The next prime is 31312030110239. The reversal of 31312030110213 is 31201103021313.

It is a happy number.

It is not a de Polignac number, because 31312030110213 - 2¹ = 31312030110211 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 31312030110213.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31312030110211) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 264527920 + ... + 264646262.

It is an arithmetic number, because the mean of its divisors is an integer number (2610645444576).

Almost surely, 2^{31312030110213} is an apocalyptic number.

It is an amenable number.

31312030110213 is a deficient number, since it is larger than the sum of its proper divisors (10458297003003).

31312030110213 is a wasteful number, since it uses less digits than its factorization.

31312030110213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 161864.

The product of its (nonzero) digits is 324, while the sum is 21.

Adding to 31312030110213 its reverse (31201103021313), we get a palindrome (62513133131526).

The spelling of 31312030110213 in words is "thirty-one trillion, three hundred twelve billion, thirty million, one hundred ten thousand, two hundred thirteen".