31341304431211 has 12 divisors (see below), whose sum is σ = 32465204766072. Its totient is φ = 30255070396544.

The previous prime is 31341304431197. The next prime is 31341304431257. The reversal of 31341304431211 is 11213440314313.

It is not a de Polignac number, because 31341304431211 - 2¹⁹ = 31341303906923 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (31341304431011) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1247811 + ... + 8014963.

It is an arithmetic number, because the mean of its divisors is an integer number (2705433730506).

Almost surely, 2^{31341304431211} is an apocalyptic number.

31341304431211 is a deficient number, since it is larger than the sum of its proper divisors (1123900334861).

31341304431211 is an equidigital number, since it uses as much as digits as its factorization.

31341304431211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6772718 (or 6772689 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 31.

Adding to 31341304431211 its reverse (11213440314313), we get a palindrome (42554744745524).

The spelling of 31341304431211 in words is "thirty-one trillion, three hundred forty-one billion, three hundred four million, four hundred thirty-one thousand, two hundred eleven".