31400020134401 has 16 divisors (see below), whose sum is σ = 31457360444160. Its totient is φ = 31342754926080.

The previous prime is 31400020134323. The next prime is 31400020134433. The reversal of 31400020134401 is 10443102000413.

It is a cyclic number.

It is not a de Polignac number, because 31400020134401 - 2²⁶ = 31399953025537 is a prime.

It is a super-2 number, since 2×31400020134401² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (31400020124401) 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, 6839470616 + ... + 6839475206.

It is an arithmetic number, because the mean of its divisors is an integer number (1966085027760).

Almost surely, 2^{31400020134401} is an apocalyptic number.

It is an amenable number.

31400020134401 is a deficient number, since it is larger than the sum of its proper divisors (57340309759).

31400020134401 is a wasteful number, since it uses less digits than its factorization.

31400020134401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10376.

The product of its (nonzero) digits is 1152, while the sum is 23.

Adding to 31400020134401 its reverse (10443102000413), we get a palindrome (41843122134814).

The spelling of 31400020134401 in words is "thirty-one trillion, four hundred billion, twenty million, one hundred thirty-four thousand, four hundred one".