30731496501 has 4 divisors (see below), whose sum is σ = 40975328672. Its totient is φ = 20487664332.

The previous prime is 30731496473. The next prime is 30731496527. The reversal of 30731496501 is 10569413703.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 30731496501 - 2¹⁵ = 30731463733 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 30731496501.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30741496501) 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, 5121916081 + ... + 5121916086.

It is an arithmetic number, because the mean of its divisors is an integer number (10243832168).

Almost surely, 2^30731496501 is an apocalyptic number.

It is an amenable number.

30731496501 is a deficient number, since it is larger than the sum of its proper divisors (10243832171).

30731496501 is a wasteful number, since it uses less digits than its factorization.

30731496501 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10243832170.

The product of its (nonzero) digits is 68040, while the sum is 39.

The spelling of 30731496501 in words is "thirty billion, seven hundred thirty-one million, four hundred ninety-six thousand, five hundred one".