30245865081 has 8 divisors (see below), whose sum is σ = 41417761344. Its totient is φ = 19618939440.

The previous prime is 30245865059. The next prime is 30245865113. The reversal of 30245865081 is 18056854203.

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

It is not a de Polignac number, because 30245865081 - 2⁵ = 30245865049 is a prime.

It is a super-2 number, since 2×30245865081² (a number of 22 digits) contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (30245865581) 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, 136242525 + ... + 136242746.

It is an arithmetic number, because the mean of its divisors is an integer number (5177220168).

Almost surely, 2^30245865081 is an apocalyptic number.

It is an amenable number.

30245865081 is a deficient number, since it is larger than the sum of its proper divisors (11171896263).

30245865081 is a wasteful number, since it uses less digits than its factorization.

30245865081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 272485311.

The product of its (nonzero) digits is 230400, while the sum is 42.

The spelling of 30245865081 in words is "thirty billion, two hundred forty-five million, eight hundred sixty-five thousand, eighty-one".