10031213231 has 8 divisors (see below), whose sum is σ = 10859407104. Its totient is φ = 9211099680.

The previous prime is 10031213207. The next prime is 10031213233. The reversal of 10031213231 is 13231213001.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 10031213231 - 2¹⁰ = 10031212207 is a prime.

It is a super-2 number, since 2×10031213231² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10031213233) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2017496 + ... + 2022461.

It is an arithmetic number, because the mean of its divisors is an integer number (1357425888).

Almost surely, 2^10031213231 is an apocalyptic number.

10031213231 is a deficient number, since it is larger than the sum of its proper divisors (828193873).

10031213231 is a wasteful number, since it uses less digits than its factorization.

10031213231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4040161.

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

Adding to 10031213231 its reverse (13231213001), we get a palindrome (23262426232).

The spelling of 10031213231 in words is "ten billion, thirty-one million, two hundred thirteen thousand, two hundred thirty-one".