10031213331 has 6 divisors (see below), whose sum is σ = 14489530380. Its totient is φ = 6687475548.

The previous prime is 10031213329. The next prime is 10031213369. The reversal of 10031213331 is 13331213001.

It is a happy number.

10031213331 is a `hidden beast` number, since 10 + 0 + 312 + 13 + 331 = 666.

It is not a de Polignac number, because 10031213331 - 2¹ = 10031213329 is a prime.

It is a super-2 number, since 2×10031213331² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (10031213531) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 557289621 + ... + 557289638.

It is an arithmetic number, because the mean of its divisors is an integer number (2414921730).

Almost surely, 2^10031213331 is an apocalyptic number.

10031213331 is a deficient number, since it is larger than the sum of its proper divisors (4458317049).

10031213331 is a wasteful number, since it uses less digits than its factorization.

10031213331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1114579265 (or 1114579262 counting only the distinct ones).

The product of its (nonzero) digits is 162, while the sum is 18.

Adding to 10031213331 its reverse (13331213001), we get a palindrome (23362426332).

The spelling of 10031213331 in words is "ten billion, thirty-one million, two hundred thirteen thousand, three hundred thirty-one".