31404122113 has 16 divisors (see below), whose sum is σ = 38946289536. Its totient is φ = 24657534720.

The previous prime is 31404122093. The next prime is 31404122129. The reversal of 31404122113 is 31122140413.

It is not a de Polignac number, because 31404122113 - 2⁵ = 31404122081 is a prime.

It is not an unprimeable number, because it can be changed into a prime (31404122173) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1305256 + ... + 1329097.

It is an arithmetic number, because the mean of its divisors is an integer number (2434143096).

Almost surely, 2^31404122113 is an apocalyptic number.

It is an amenable number.

31404122113 is a deficient number, since it is larger than the sum of its proper divisors (7542167423).

31404122113 is a wasteful number, since it uses less digits than its factorization.

31404122113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2634504.

The product of its (nonzero) digits is 576, while the sum is 22.

Adding to 31404122113 its reverse (31122140413), we get a palindrome (62526262526).

The spelling of 31404122113 in words is "thirty-one billion, four hundred four million, one hundred twenty-two thousand, one hundred thirteen".