30431696 has 10 divisors (see below), whose sum is σ = 58961442. Its totient is φ = 15215840.

The previous prime is 30431671. The next prime is 30431719. The reversal of 30431696 is 69613403.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 18181696 + 12250000 = 4264^2 + 3500^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 950975 + ... + 951006.

Almost surely, 2^30431696 is an apocalyptic number.

It is an amenable number.

30431696 is a deficient number, since it is larger than the sum of its proper divisors (28529746).

30431696 is a wasteful number, since it uses less digits than its factorization.

30431696 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1901989 (or 1901983 counting only the distinct ones).

The product of its (nonzero) digits is 11664, while the sum is 32.

The square root of 30431696 is about 5516.4930889107. The cubic root of 30431696 is about 312.2065802618.

The spelling of 30431696 in words is "thirty million, four hundred thirty-one thousand, six hundred ninety-six".