31400340002201 has 4 divisors (see below), whose sum is σ = 31448426281572. Its totient is φ = 31352253722832.

The previous prime is 31400340002177. The next prime is 31400340002243. The reversal of 31400340002201 is 10220004300413.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 4321596534025 + 27078743468176 = 2078845^2 + 5203724^2 .

It is a cyclic number.

It is not a de Polignac number, because 31400340002201 - 2²⁶ = 31400272893337 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (31400340002401) 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, 24043138706 + ... + 24043140011.

It is an arithmetic number, because the mean of its divisors is an integer number (7862106570393).

Almost surely, 2^{31400340002201} is an apocalyptic number.

It is an amenable number.

31400340002201 is a deficient number, since it is larger than the sum of its proper divisors (48086279371).

31400340002201 is an equidigital number, since it uses as much as digits as its factorization.

31400340002201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48086279370.

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 31400340002201 its reverse (10220004300413), we get a palindrome (41620344302614).

The spelling of 31400340002201 in words is "thirty-one trillion, four hundred billion, three hundred forty million, two thousand, two hundred one".