30551239413 has 6 divisors (see below), whose sum is σ = 44129568054. Its totient is φ = 20367492936.

The previous prime is 30551239399. The next prime is 30551239429. The reversal of 30551239413 is 31493215503.

30551239413 is a `hidden beast` number, since 3 + 0 + 5 + 5 + 1 + 239 + 413 = 666.

It can be written as a sum of positive squares in only one way, i.e., 26496351729 + 4054887684 = 162777^2 + 63678^2 .

It is not a de Polignac number, because 30551239413 - 2⁸ = 30551239157 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30551231413) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1697291070 + ... + 1697291087.

It is an arithmetic number, because the mean of its divisors is an integer number (7354928009).

Almost surely, 2^30551239413 is an apocalyptic number.

It is an amenable number.

30551239413 is a deficient number, since it is larger than the sum of its proper divisors (13578328641).

30551239413 is a wasteful number, since it uses less digits than its factorization.

30551239413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3394582163 (or 3394582160 counting only the distinct ones).

The product of its (nonzero) digits is 48600, while the sum is 36.

The spelling of 30551239413 in words is "thirty billion, five hundred fifty-one million, two hundred thirty-nine thousand, four hundred thirteen".