10213122031 has 16 divisors (see below), whose sum is σ = 11707534080. Its totient is φ = 8727606720.

The previous prime is 10213121993. The next prime is 10213122037. The reversal of 10213122031 is 13022131201.

It is not a de Polignac number, because 10213122031 - 2²³ = 10204733423 is a prime.

It is a super-2 number, since 2×10213122031² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10213121996 and 10213122014.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10213122037) 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, 4182771 + ... + 4185211.

It is an arithmetic number, because the mean of its divisors is an integer number (731720880).

Almost surely, 2^10213122031 is an apocalyptic number.

10213122031 is a deficient number, since it is larger than the sum of its proper divisors (1494412049).

10213122031 is an equidigital number, since it uses as much as digits as its factorization.

10213122031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4014.

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 10213122031 its reverse (13022131201), we get a palindrome (23235253232).

The spelling of 10213122031 in words is "ten billion, two hundred thirteen million, one hundred twenty-two thousand, thirty-one".