30806997598 has 32 divisors (see below), whose sum is σ = 52576594560. Its totient is φ = 13436209920.

The previous prime is 30806997587. The next prime is 30806997601. The reversal of 30806997598 is 89579960803.

It is a happy number.

It is a super-2 number, since 2×30806997598² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 399223 + ... + 470098.

It is an arithmetic number, because the mean of its divisors is an integer number (1643018580).

Almost surely, 2^30806997598 is an apocalyptic number.

30806997598 is a deficient number, since it is larger than the sum of its proper divisors (21769596962).

30806997598 is a wasteful number, since it uses less digits than its factorization.

30806997598 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 869412.

The product of its (nonzero) digits is 29393280, while the sum is 64.

The spelling of 30806997598 in words is "thirty billion, eight hundred six million, nine hundred ninety-seven thousand, five hundred ninety-eight".