10313220021 has 16 divisors (see below), whose sum is σ = 15088139136. Its totient is φ = 6226848576.

The previous prime is 10313220013. The next prime is 10313220059. The reversal of 10313220021 is 12002231301.

It is not a de Polignac number, because 10313220021 - 2³ = 10313220013 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10313220521) 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, 2492665 + ... + 2496798.

It is an arithmetic number, because the mean of its divisors is an integer number (943008696).

Almost surely, 2^10313220021 is an apocalyptic number.

It is an amenable number.

10313220021 is a deficient number, since it is larger than the sum of its proper divisors (4774919115).

10313220021 is a wasteful number, since it uses less digits than its factorization.

10313220021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4989532.

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 10313220021 its reverse (12002231301), we get a palindrome (22315451322).

The spelling of 10313220021 in words is "ten billion, three hundred thirteen million, two hundred twenty thousand, twenty-one".