10122321031 has 4 divisors (see below), whose sum is σ = 10122948592. Its totient is φ = 10121693472.

The previous prime is 10122321023. The next prime is 10122321047. The reversal of 10122321031 is 13012322101.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 10122321031 - 2³ = 10122321023 is a prime.

It is a super-2 number, since 2×10122321031² (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 = 10122320996 and 10122321014.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10122321061) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 288930 + ... + 322063.

It is an arithmetic number, because the mean of its divisors is an integer number (2530737148).

Almost surely, 2^10122321031 is an apocalyptic number.

10122321031 is a deficient number, since it is larger than the sum of its proper divisors (627561).

10122321031 is an equidigital number, since it uses as much as digits as its factorization.

10122321031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 627560.

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

Adding to 10122321031 its reverse (13012322101), we get a palindrome (23134643132).

The spelling of 10122321031 in words is "ten billion, one hundred twenty-two million, three hundred twenty-one thousand, thirty-one".