30913797945943 has 8 divisors (see below), whose sum is σ = 34186117779216. Its totient is φ = 27718473873600.

The previous prime is 30913797945911. The next prime is 30913797945971. The reversal of 30913797945943 is 34954979731903.

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

It is a cyclic number.

It is not a de Polignac number, because 30913797945943 - 2⁵ = 30913797945911 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (73).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30913797945643) 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, 19248939388 + ... + 19248940993.

It is an arithmetic number, because the mean of its divisors is an integer number (4273264722402).

Almost surely, 2^{30913797945943} is an apocalyptic number.

30913797945943 is a deficient number, since it is larger than the sum of its proper divisors (3272319833273).

30913797945943 is a wasteful number, since it uses less digits than its factorization.

30913797945943 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38497880465.

The product of its (nonzero) digits is 694416240, while the sum is 73.

The spelling of 30913797945943 in words is "thirty trillion, nine hundred thirteen billion, seven hundred ninety-seven million, nine hundred forty-five thousand, nine hundred forty-three".