30140797731 has 8 divisors (see below), whose sum is σ = 43841160384. Its totient is φ = 18267150120.

The previous prime is 30140797727. The next prime is 30140797759. The reversal of 30140797731 is 13779704103.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 30140797731 - 2² = 30140797727 is a prime.

It is a super-2 number, since 2×30140797731² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (30140717731) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 456678721 + ... + 456678786.

It is an arithmetic number, because the mean of its divisors is an integer number (5480145048).

Almost surely, 2^30140797731 is an apocalyptic number.

30140797731 is a deficient number, since it is larger than the sum of its proper divisors (13700362653).

30140797731 is a wasteful number, since it uses less digits than its factorization.

30140797731 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 913357521.

The product of its (nonzero) digits is 111132, while the sum is 42.

The spelling of 30140797731 in words is "thirty billion, one hundred forty million, seven hundred ninety-seven thousand, seven hundred thirty-one".