331345621307 has 2 divisors, whose sum is σ = 331345621308. Its totient is φ = 331345621306.

The previous prime is 331345621297. The next prime is 331345621319. The reversal of 331345621307 is 703126543133.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 331345621307 - 2¹⁰ = 331345620283 is a prime.

It is not a weakly prime, because it can be changed into another prime (331345621007) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 165672810653 + 165672810654.

It is an arithmetic number, because the mean of its divisors is an integer number (165672810654).

Almost surely, 2^331345621307 is an apocalyptic number.

331345621307 is a deficient number, since it is larger than the sum of its proper divisors (1).

331345621307 is an equidigital number, since it uses as much as digits as its factorization.

331345621307 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 136080, while the sum is 38.

The spelling of 331345621307 in words is "three hundred thirty-one billion, three hundred forty-five million, six hundred twenty-one thousand, three hundred seven".