30642631355 has 32 divisors (see below), whose sum is σ = 42182985600. Its totient is φ = 20932853760.

The previous prime is 30642631343. The next prime is 30642631363. The reversal of 30642631355 is 55313624603.

It is not a de Polignac number, because 30642631355 - 2¹² = 30642627259 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 14723915 + ... + 14725995.

It is an arithmetic number, because the mean of its divisors is an integer number (1318218300).

Almost surely, 2^30642631355 is an apocalyptic number.

30642631355 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

30642631355 is a deficient number, since it is larger than the sum of its proper divisors (11540354245).

30642631355 is a wasteful number, since it uses less digits than its factorization.

30642631355 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3479.

The product of its (nonzero) digits is 194400, while the sum is 38.

The spelling of 30642631355 in words is "thirty billion, six hundred forty-two million, six hundred thirty-one thousand, three hundred fifty-five".