31413087 has 12 divisors (see below), whose sum is σ = 45440304. Its totient is φ = 20911680.

The previous prime is 31413077. The next prime is 31413089. The reversal of 31413087 is 78031413.

It is not a de Polignac number, because 31413087 - 2⁷ = 31412959 is a prime.

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 31413087.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31413089) 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, 5287 + ... + 9527.

It is an arithmetic number, because the mean of its divisors is an integer number (3786692).

Almost surely, 2^31413087 is an apocalyptic number.

31413087 is a deficient number, since it is larger than the sum of its proper divisors (14027217).

31413087 is a wasteful number, since it uses less digits than its factorization.

31413087 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5070 (or 5067 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 27.

The square root of 31413087 is about 5604.7379064502. The cubic root of 31413087 is about 315.5272500225.

The spelling of 31413087 in words is "thirty-one million, four hundred thirteen thousand, eighty-seven".