30773031 has 12 divisors (see below), whose sum is σ = 42497832. Its totient is φ = 19806304.

The previous prime is 30773023. The next prime is 30773047. The reversal of 30773031 is 13037703.

It is not a de Polignac number, because 30773031 - 2³ = 30773023 is a prime.

It is a super-2 number, since 2×30773031² = 1893958873853922, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 30772992 and 30773010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30773021) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3576 + ... + 8621.

It is an arithmetic number, because the mean of its divisors is an integer number (3541486).

Almost surely, 2^30773031 is an apocalyptic number.

30773031 is a deficient number, since it is larger than the sum of its proper divisors (11724801).

30773031 is a wasteful number, since it uses less digits than its factorization.

30773031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12258 (or 12229 counting only the distinct ones).

The product of its (nonzero) digits is 1323, while the sum is 24.

The square root of 30773031 is about 5547.3444998486. The cubic root of 30773031 is about 313.3695241382.

The spelling of 30773031 in words is "thirty million, seven hundred seventy-three thousand, thirty-one".