31315412403201 has 4 divisors (see below), whose sum is σ = 41753883204272. Its totient is φ = 20876941602132.

The previous prime is 31315412403193. The next prime is 31315412403311. The reversal of 31315412403201 is 10230421451313.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 31315412403201 - 2³ = 31315412403193 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (31315412403101) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5219235400531 + ... + 5219235400536.

It is an arithmetic number, because the mean of its divisors is an integer number (10438470801068).

Almost surely, 2^{31315412403201} is an apocalyptic number.

It is an amenable number.

31315412403201 is a deficient number, since it is larger than the sum of its proper divisors (10438470801071).

31315412403201 is a wasteful number, since it uses less digits than its factorization.

31315412403201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10438470801070.

The product of its (nonzero) digits is 8640, while the sum is 30.

Adding to 31315412403201 its reverse (10230421451313), we get a palindrome (41545833854514).

The spelling of 31315412403201 in words is "thirty-one trillion, three hundred fifteen billion, four hundred twelve million, four hundred three thousand, two hundred one".