30497343131 has 4 divisors (see below), whose sum is σ = 30499221264. Its totient is φ = 30495465000.

The previous prime is 30497343089. The next prime is 30497343133. The reversal of 30497343131 is 13134379403.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 30497343131 - 2⁶ = 30497343067 is a prime.

It is a super-2 number, since 2×30497343131² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

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

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 914495 + ... + 947256.

It is an arithmetic number, because the mean of its divisors is an integer number (7624805316).

Almost surely, 2^30497343131 is an apocalyptic number.

30497343131 is a deficient number, since it is larger than the sum of its proper divisors (1878133).

30497343131 is a wasteful number, since it uses less digits than its factorization.

30497343131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1878132.

The product of its (nonzero) digits is 81648, while the sum is 38.

The spelling of 30497343131 in words is "thirty billion, four hundred ninety-seven million, three hundred forty-three thousand, one hundred thirty-one".