31400220112401 has 32 divisors (see below), whose sum is σ = 48113323315200. Its totient is φ = 17843676721920.

The previous prime is 31400220112379. The next prime is 31400220112451. The reversal of 31400220112401 is 10421102200413.

It is not a de Polignac number, because 31400220112401 - 2⁶ = 31400220112337 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is not an unprimeable number, because it can be changed into a prime (31400220112451) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 675711 + ... + 7953428.

It is an arithmetic number, because the mean of its divisors is an integer number (1503541353600).

Almost surely, 2^{31400220112401} is an apocalyptic number.

It is an amenable number.

31400220112401 is a deficient number, since it is larger than the sum of its proper divisors (16713103202799).

31400220112401 is a wasteful number, since it uses less digits than its factorization.

31400220112401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8630109.

The product of its (nonzero) digits is 384, while the sum is 21.

Adding to 31400220112401 its reverse (10421102200413), we get a palindrome (41821322312814).

The spelling of 31400220112401 in words is "thirty-one trillion, four hundred billion, two hundred twenty million, one hundred twelve thousand, four hundred one".