30497343132 has 12 divisors (see below), whose sum is σ = 71160467336. Its totient is φ = 10165781040.

The previous prime is 30497343089. The next prime is 30497343133. The reversal of 30497343132 is 23134379403.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×30497343132² (a number of 22 digits) contains 22 as substring.

It is a hoax number, since the sum of its digits (39) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30497343133) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1270722619 + ... + 1270722642.

Almost surely, 2^30497343132 is an apocalyptic number.

It is an amenable number.

30497343132 is an abundant number, since it is smaller than the sum of its proper divisors (40663124204).

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

30497343132 is a wasteful number, since it uses less digits than its factorization.

30497343132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2541445268 (or 2541445266 counting only the distinct ones).

The product of its (nonzero) digits is 163296, while the sum is 39.

The spelling of 30497343132 in words is "thirty billion, four hundred ninety-seven million, three hundred forty-three thousand, one hundred thirty-two".