10031213031 has 32 divisors (see below), whose sum is σ = 15958176768. Its totient is φ = 5480175360.

The previous prime is 10031213029. The next prime is 10031213047. The reversal of 10031213031 is 13031213001.

10031213031 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 10031213031 - 2¹ = 10031213029 is a prime.

It is a super-2 number, since 2×10031213031² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 10031213031.

It is a congruent number.

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 31 ways as a sum of consecutive naturals, for example, 1320115 + ... + 1327691.

It is an arithmetic number, because the mean of its divisors is an integer number (498693024).

Almost surely, 2^10031213031 is an apocalyptic number.

10031213031 is a deficient number, since it is larger than the sum of its proper divisors (5926963737).

10031213031 is a wasteful number, since it uses less digits than its factorization.

10031213031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10351.

The product of its (nonzero) digits is 54, while the sum is 15.

Adding to 10031213031 its reverse (13031213001), we get a palindrome (23062426032).

The spelling of 10031213031 in words is "ten billion, thirty-one million, two hundred thirteen thousand, thirty-one".