10213251031 has 4 divisors (see below), whose sum is σ = 10312408912. Its totient is φ = 10114093152.

The previous prime is 10213251023. The next prime is 10213251053. The reversal of 10213251031 is 13015231201.

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 10213251031 - 2³ = 10213251023 is a prime.

It is a super-2 number, since 2×10213251031² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10213251091) 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, 49578786 + ... + 49578991.

It is an arithmetic number, because the mean of its divisors is an integer number (2578102228).

Almost surely, 2^10213251031 is an apocalyptic number.

10213251031 is a deficient number, since it is larger than the sum of its proper divisors (99157881).

10213251031 is an equidigital number, since it uses as much as digits as its factorization.

10213251031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99157880.

The product of its (nonzero) digits is 180, while the sum is 19.

Adding to 10213251031 its reverse (13015231201), we get a palindrome (23228482232).

The spelling of 10213251031 in words is "ten billion, two hundred thirteen million, two hundred fifty-one thousand, thirty-one".