31102033312231 has 6 divisors (see below), whose sum is σ = 36179916302040. Its totient is φ = 26658885696156.

The previous prime is 31102033312201. The next prime is 31102033312247. The reversal of 31102033312231 is 13221333020113.

It is not a de Polignac number, because 31102033312231 - 2⁵ = 31102033312199 is a prime.

It is a super-2 number, since 2×31102033312231² (a number of 28 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 31102033312196 and 31102033312205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31102033312201) 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 5 ways as a sum of consecutive naturals, for example, 317367686811 + ... + 317367686908.

It is an arithmetic number, because the mean of its divisors is an integer number (6029986050340).

Almost surely, 2^{31102033312231} is an apocalyptic number.

31102033312231 is a deficient number, since it is larger than the sum of its proper divisors (5077882989809).

31102033312231 is an equidigital number, since it uses as much as digits as its factorization.

31102033312231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 634735373733 (or 634735373726 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 25.

Adding to 31102033312231 its reverse (13221333020113), we get a palindrome (44323366332344).

The spelling of 31102033312231 in words is "thirty-one trillion, one hundred two billion, thirty-three million, three hundred twelve thousand, two hundred thirty-one".