30831120694744 has 64 divisors (see below), whose sum is σ = 58199204700000. Its totient is φ = 15311546830848.

The previous prime is 30831120694733. The next prime is 30831120694747. The reversal of 30831120694744 is 44749602113803.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 30831120694691 and 30831120694700.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30831120694747) 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, 6777557782 + ... + 6777562330.

Almost surely, 2^{30831120694744} is an apocalyptic number.

It is an amenable number.

30831120694744 is a deficient number, since it is larger than the sum of its proper divisors (27368084005256).

30831120694744 is a wasteful number, since it uses less digits than its factorization.

30831120694744 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9220 (or 9216 counting only the distinct ones).

The product of its (nonzero) digits is 3483648, while the sum is 52.

The spelling of 30831120694744 in words is "thirty trillion, eight hundred thirty-one billion, one hundred twenty million, six hundred ninety-four thousand, seven hundred forty-four".