31300203303312 has 40 divisors (see below), whose sum is σ = 80906506863456. Its totient is φ = 10427252929536.

The previous prime is 31300203303307. The next prime is 31300203303371. The reversal of 31300203303312 is 21330330200313.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 192048058 + ... + 192210969.

Almost surely, 2^{31300203303312} is an apocalyptic number.

It is an amenable number.

31300203303312 is an abundant number, since it is smaller than the sum of its proper divisors (49606303560144).

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

31300203303312 is a wasteful number, since it uses less digits than its factorization.

31300203303312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 384260735 (or 384260729 counting only the distinct ones).

The product of its (nonzero) digits is 2916, while the sum is 24.

Adding to 31300203303312 its reverse (21330330200313), we get a palindrome (52630533503625).

The spelling of 31300203303312 in words is "thirty-one trillion, three hundred billion, two hundred three million, three hundred three thousand, three hundred twelve".