31528974096 has 45 divisors (see below), whose sum is σ = 88243300821. Its totient is φ = 10508947776.

The previous prime is 31528974019. The next prime is 31528974119. The reversal of 31528974096 is 69047982513.

The square root of 31528974096 is 177564.

It is a perfect power (a square), and thus also a powerful number.

31528974096 is a `hidden beast` number, since 3 + 152 + 89 + 7 + 409 + 6 = 666.

It can be written as a sum of positive squares in only one way, i.e., 11573456400 + 19955517696 = 107580^2 + 141264^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 2123370 + ... + 2138166.

It is a 2-persistent number, because it is pandigital, and so is 2⋅31528974096 = 63057948192, but 3⋅31528974096 = 94586922288 is not.

Almost surely, 2^31528974096 is an apocalyptic number.

31528974096 is a gapful number since it is divisible by the number (36) formed by its first and last digit.

31528974096 is the 177564-th square number.

It is an amenable number.

31528974096 is an abundant number, since it is smaller than the sum of its proper divisors (56714326725).

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

31528974096 is an frugal number, since it uses more digits than its factorization.

31528974096 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29608 (or 14802 counting only the distinct ones).

The product of its (nonzero) digits is 3265920, while the sum is 54.

The spelling of 31528974096 in words is "thirty-one billion, five hundred twenty-eight million, nine hundred seventy-four thousand, ninety-six".