31300312332 has 24 divisors (see below), whose sum is σ = 74815381872. Its totient is φ = 10178963200.

The previous prime is 31300312313. The next prime is 31300312349. The reversal of 31300312332 is 23321300313.

It is a junction number, because it is equal to n+sod(n) for n = 31300312299 and 31300312308.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31808769 + ... + 31809752.

It is an arithmetic number, because the mean of its divisors is an integer number (3117307578).

Almost surely, 2^31300312332 is an apocalyptic number.

It is an amenable number.

31300312332 is an abundant number, since it is smaller than the sum of its proper divisors (43515069540).

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

31300312332 is a wasteful number, since it uses less digits than its factorization.

31300312332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63618569 (or 63618567 counting only the distinct ones).

The product of its (nonzero) digits is 972, while the sum is 21.

Adding to 31300312332 its reverse (23321300313), we get a palindrome (54621612645).

The spelling of 31300312332 in words is "thirty-one billion, three hundred million, three hundred twelve thousand, three hundred thirty-two".