10321320312 has 48 divisors (see below), whose sum is σ = 27960688080. Its totient is φ = 3439564800.

The previous prime is 10321320301. The next prime is 10321320337. The reversal of 10321320312 is 21302312301.

10321320312 is a `hidden beast` number, since 1 + 0 + 32 + 1 + 320 + 312 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 306637 + ... + 338627.

It is an arithmetic number, because the mean of its divisors is an integer number (582514335).

Almost surely, 2^10321320312 is an apocalyptic number.

10321320312 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

10321320312 is an abundant number, since it is smaller than the sum of its proper divisors (17639367768).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

10321320312 is a wasteful number, since it uses less digits than its factorization.

10321320312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36484 (or 36477 counting only the distinct ones).

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

Adding to 10321320312 its reverse (21302312301), we get a palindrome (31623632613).

The spelling of 10321320312 in words is "ten billion, three hundred twenty-one million, three hundred twenty thousand, three hundred twelve".