30939995835 has 96 divisors (see below), whose sum is σ = 65041367040. Its totient is φ = 13282182144.

The previous prime is 30939995783. The next prime is 30939995839. The reversal of 30939995835 is 53859993903.

It is not a de Polignac number, because 30939995835 - 2¹³ = 30939987643 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is not an unprimeable number, because it can be changed into a prime (30939995839) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 2473126 + ... + 2485604.

It is an arithmetic number, because the mean of its divisors is an integer number (677514240).

Almost surely, 2^30939995835 is an apocalyptic number.

30939995835 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

30939995835 is an abundant number, since it is smaller than the sum of its proper divisors (34101371205).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

30939995835 is a wasteful number, since it uses less digits than its factorization.

30939995835 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12977 (or 12974 counting only the distinct ones).

The product of its (nonzero) digits is 35429400, while the sum is 63.

The spelling of 30939995835 in words is "thirty billion, nine hundred thirty-nine million, nine hundred ninety-five thousand, eight hundred thirty-five".