30131029983 has 4 divisors (see below), whose sum is σ = 40174706648. Its totient is φ = 20087353320.

The previous prime is 30131029937. The next prime is 30131030021. The reversal of 30131029983 is 38992013103.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 38992013103 = 3 ⋅12997337701.

It is not a de Polignac number, because 30131029983 - 2²⁰ = 30129981407 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30131029183) 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, 5021838328 + ... + 5021838333.

It is an arithmetic number, because the mean of its divisors is an integer number (10043676662).

Almost surely, 2^30131029983 is an apocalyptic number.

30131029983 is a deficient number, since it is larger than the sum of its proper divisors (10043676665).

30131029983 is a wasteful number, since it uses less digits than its factorization.

30131029983 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10043676664.

The product of its (nonzero) digits is 34992, while the sum is 39.

The spelling of 30131029983 in words is "thirty billion, one hundred thirty-one million, twenty-nine thousand, nine hundred eighty-three".