31112202332201 has 16 divisors (see below), whose sum is σ = 34006636850688. Its totient is φ = 28336115539200.

The previous prime is 31112202332179. The next prime is 31112202332209. The reversal of 31112202332201 is 10223320221113.

It is not a de Polignac number, because 31112202332201 - 2¹⁸ = 31112202070057 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (31112202332209) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9525191 + ... + 12367443.

It is an arithmetic number, because the mean of its divisors is an integer number (2125414803168).

Almost surely, 2^{31112202332201} is an apocalyptic number.

31112202332201 is a gapful number since it is divisible by the number (31) formed by its first and last digit.

It is an amenable number.

31112202332201 is a deficient number, since it is larger than the sum of its proper divisors (2894434518487).

31112202332201 is a wasteful number, since it uses less digits than its factorization.

31112202332201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2863072.

The product of its (nonzero) digits is 864, while the sum is 23.

Adding to 31112202332201 its reverse (10223320221113), we get a palindrome (41335522553314).

The spelling of 31112202332201 in words is "thirty-one trillion, one hundred twelve billion, two hundred two million, three hundred thirty-two thousand, two hundred one".