10031431211 has 16 divisors (see below), whose sum is σ = 10439241120. Its totient is φ = 9633911040.

The previous prime is 10031431187. The next prime is 10031431253. The reversal of 10031431211 is 11213413001.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10031431211 is a prime.

It is a super-2 number, since 2×10031431211² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 10031431211.

It is not an unprimeable number, because it can be changed into a prime (10031431261) 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, 469031 + ... + 489951.

It is an arithmetic number, because the mean of its divisors is an integer number (652452570).

Almost surely, 2^10031431211 is an apocalyptic number.

10031431211 is a deficient number, since it is larger than the sum of its proper divisors (407809909).

10031431211 is a wasteful number, since it uses less digits than its factorization.

10031431211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21166.

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 10031431211 its reverse (11213413001), we get a palindrome (21244844212).

The spelling of 10031431211 in words is "ten billion, thirty-one million, four hundred thirty-one thousand, two hundred eleven".