10312031213 has 4 divisors (see below), whose sum is σ = 11249488608. Its totient is φ = 9374573820.

The previous prime is 10312031179. The next prime is 10312031293. The reversal of 10312031213 is 31213021301.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 10312031213 - 2⁸ = 10312030957 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 10312031191 and 10312031200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10312031293) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 468728681 + ... + 468728702.

It is an arithmetic number, because the mean of its divisors is an integer number (2812372152).

Almost surely, 2^10312031213 is an apocalyptic number.

It is an amenable number.

10312031213 is a deficient number, since it is larger than the sum of its proper divisors (937457395).

10312031213 is an equidigital number, since it uses as much as digits as its factorization.

10312031213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 937457394.

The product of its (nonzero) digits is 108, while the sum is 17.

Adding to 10312031213 its reverse (31213021301), we get a palindrome (41525052514).

The spelling of 10312031213 in words is "ten billion, three hundred twelve million, thirty-one thousand, two hundred thirteen".