30887506431 has 12 divisors (see below), whose sum is σ = 47239715952. Its totient is φ = 19380396096.

The previous prime is 30887506423. The next prime is 30887506519. The reversal of 30887506431 is 13460578803.

30887506431 is a `hidden beast` number, since 30 + 8 + 87 + 506 + 4 + 31 = 666.

It is not a de Polignac number, because 30887506431 - 2³ = 30887506423 is a prime.

It is a super-2 number, since 2×30887506431² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30887506421) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 100939411 + ... + 100939716.

It is an arithmetic number, because the mean of its divisors is an integer number (3936642996).

Almost surely, 2^30887506431 is an apocalyptic number.

30887506431 is a deficient number, since it is larger than the sum of its proper divisors (16352209521).

30887506431 is a wasteful number, since it uses less digits than its factorization.

30887506431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 201879150 (or 201879147 counting only the distinct ones).

The product of its (nonzero) digits is 483840, while the sum is 45.

The spelling of 30887506431 in words is "thirty billion, eight hundred eighty-seven million, five hundred six thousand, four hundred thirty-one".