10320212331 has 72 divisors (see below), whose sum is σ = 17689744800. Its totient is φ = 5759170560.

The previous prime is 10320212293. The next prime is 10320212333. The reversal of 10320212331 is 13321202301.

10320212331 is a `hidden beast` number, since 1 + 0 + 320 + 2 + 12 + 331 = 666.

It is not a de Polignac number, because 10320212331 - 2²³ = 10311823723 is a prime.

It is a super-2 number, since 2×10320212331² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (10320212333) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 8479435 + ... + 8480651.

It is an arithmetic number, because the mean of its divisors is an integer number (245690900).

Almost surely, 2^10320212331 is an apocalyptic number.

10320212331 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

10320212331 is a deficient number, since it is larger than the sum of its proper divisors (7369532469).

10320212331 is a wasteful number, since it uses less digits than its factorization.

10320212331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1857 (or 1843 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 10320212331 its reverse (13321202301), we get a palindrome (23641414632).

The spelling of 10320212331 in words is "ten billion, three hundred twenty million, two hundred twelve thousand, three hundred thirty-one".