31200042022401 has 16 divisors (see below), whose sum is σ = 50339563599744. Its totient is φ = 16779854532864.

The previous prime is 31200042022361. The next prime is 31200042022411. The reversal of 31200042022401 is 10422024000213.

It is not a de Polignac number, because 31200042022401 - 2¹¹ = 31200042020353 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 (31200042022411) 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, 43697537490 + ... + 43697538203.

It is an arithmetic number, because the mean of its divisors is an integer number (3146222724984).

Almost surely, 2^{31200042022401} is an apocalyptic number.

It is an amenable number.

31200042022401 is a deficient number, since it is larger than the sum of its proper divisors (19139521577343).

31200042022401 is a wasteful number, since it uses less digits than its factorization.

31200042022401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87395075720.

The product of its (nonzero) digits is 768, while the sum is 21.

Adding to 31200042022401 its reverse (10422024000213), we get a palindrome (41622066022614).

The spelling of 31200042022401 in words is "thirty-one trillion, two hundred billion, forty-two million, twenty-two thousand, four hundred one".