30999953046023 has 16 divisors (see below), whose sum is σ = 33807732295680. Its totient is φ = 28252638681696.

The previous prime is 30999953045981. The next prime is 30999953046061. The reversal of 30999953046023 is 32064035999903.

It is not a de Polignac number, because 30999953046023 - 2²⁸ = 30999684610567 is a prime.

It is a super-2 number, since 2×30999953046023² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30999953046323) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 68838236 + ... + 69287102.

It is an arithmetic number, because the mean of its divisors is an integer number (2112983268480).

Almost surely, 2^{30999953046023} is an apocalyptic number.

30999953046023 is a deficient number, since it is larger than the sum of its proper divisors (2807779249657).

30999953046023 is a wasteful number, since it uses less digits than its factorization.

30999953046023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 516206.

The product of its (nonzero) digits is 42515280, while the sum is 62.

The spelling of 30999953046023 in words is "thirty trillion, nine hundred ninety-nine billion, nine hundred fifty-three million, forty-six thousand, twenty-three".