3320312131231 has 8 divisors (see below), whose sum is σ = 3357687286800. Its totient is φ = 3282938493120.

The previous prime is 3320312131177. The next prime is 3320312131249. The reversal of 3320312131231 is 1321312130233.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3320312131231 is a prime.

It is a super-2 number, since 2×3320312131231² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3320312131196 and 3320312131205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3320312131271) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4351561 + ... + 5057341.

It is an arithmetic number, because the mean of its divisors is an integer number (419710910850).

Almost surely, 2^{3320312131231} is an apocalyptic number.

3320312131231 is a deficient number, since it is larger than the sum of its proper divisors (37375155569).

3320312131231 is an equidigital number, since it uses as much as digits as its factorization.

3320312131231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 758729.

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

Adding to 3320312131231 its reverse (1321312130233), we get a palindrome (4641624261464).

It can be divided in two parts, 3320312 and 131231, that added together give a palindrome (3451543).

The spelling of 3320312131231 in words is "three trillion, three hundred twenty billion, three hundred twelve million, one hundred thirty-one thousand, two hundred thirty-one".