31406486901 has 16 divisors (see below), whose sum is σ = 42583584000. Its totient is φ = 20583875520.

The previous prime is 31406486879. The next prime is 31406486921. The reversal of 31406486901 is 10968460413.

It is not a de Polignac number, because 31406486901 - 2⁵ = 31406486869 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31406486921) 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, 322891 + ... + 408743.

It is an arithmetic number, because the mean of its divisors is an integer number (2661474000).

Almost surely, 2^31406486901 is an apocalyptic number.

It is an amenable number.

31406486901 is a deficient number, since it is larger than the sum of its proper divisors (11177097099).

31406486901 is a wasteful number, since it uses less digits than its factorization.

31406486901 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87916.

The product of its (nonzero) digits is 124416, while the sum is 42.

The spelling of 31406486901 in words is "thirty-one billion, four hundred six million, four hundred eighty-six thousand, nine hundred one".