30331964 has 36 divisors (see below), whose sum is σ = 58761192. Its totient is φ = 13618560.

The previous prime is 30331957. The next prime is 30331969. The reversal of 30331964 is 46913303.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30331969) 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, 87239 + ... + 87585.

Almost surely, 2^30331964 is an apocalyptic number.

It is an amenable number.

30331964 is a deficient number, since it is larger than the sum of its proper divisors (28429228).

30331964 is a wasteful number, since it uses less digits than its factorization.

30331964 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 446 (or 403 counting only the distinct ones).

The product of its (nonzero) digits is 5832, while the sum is 29.

The square root of 30331964 is about 5507.4462321479. The cubic root of 30331964 is about 311.8651482759.

The spelling of 30331964 in words is "thirty million, three hundred thirty-one thousand, nine hundred sixty-four".