31089534000 has 160 divisors (see below), whose sum is σ = 114551763456. Its totient is φ = 7106169600.

The previous prime is 31089533999. The next prime is 31089534001. The reversal of 31089534000 is 43598013.

It is an interprime number because it is at equal distance from previous prime (31089533999) and next prime (31089534001).

It is not an unprimeable number, because it can be changed into a prime (31089534001) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 328114 + ... + 412113.

Almost surely, 2^31089534000 is an apocalyptic number.

31089534000 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

31089534000 is an abundant number, since it is smaller than the sum of its proper divisors (83462229456).

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

31089534000 is a wasteful number, since it uses less digits than its factorization.

31089534000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 740260 (or 740244 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 33.

The spelling of 31089534000 in words is "thirty-one billion, eighty-nine million, five hundred thirty-four thousand".