31248087417 has 20 divisors (see below), whose sum is σ = 46693609600. Its totient is φ = 20825646264.

The previous prime is 31248087361. The next prime is 31248087433. The reversal of 31248087417 is 71478084213.

It is not a de Polignac number, because 31248087417 - 2⁷ = 31248087289 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (31248087317) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 213084 + ... + 328482.

It is an arithmetic number, because the mean of its divisors is an integer number (2334680480).

Almost surely, 2^31248087417 is an apocalyptic number.

It is an amenable number.

31248087417 is a deficient number, since it is larger than the sum of its proper divisors (15445522183).

31248087417 is a wasteful number, since it uses less digits than its factorization.

31248087417 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 118754 (or 118745 counting only the distinct ones).

The product of its (nonzero) digits is 301056, while the sum is 45.

The spelling of 31248087417 in words is "thirty-one billion, two hundred forty-eight million, eighty-seven thousand, four hundred seventeen".