31404514157 has 8 divisors (see below), whose sum is σ = 32781620160. Its totient is φ = 30028382560.

The previous prime is 31404514151. The next prime is 31404514187. The reversal of 31404514157 is 75141540413.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 31404514157 - 2⁸ = 31404513901 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31404514151) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 177344 + ... + 307017.

It is an arithmetic number, because the mean of its divisors is an integer number (4097702520).

Almost surely, 2^31404514157 is an apocalyptic number.

It is an amenable number.

31404514157 is a deficient number, since it is larger than the sum of its proper divisors (1377106003).

31404514157 is a wasteful number, since it uses less digits than its factorization.

31404514157 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 487203.

The product of its (nonzero) digits is 33600, while the sum is 35.

The spelling of 31404514157 in words is "thirty-one billion, four hundred four million, five hundred fourteen thousand, one hundred fifty-seven".