331423984037 has 2 divisors, whose sum is σ = 331423984038. Its totient is φ = 331423984036.

The previous prime is 331423984019. The next prime is 331423984061. The reversal of 331423984037 is 730489324133.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 322477472641 + 8946511396 = 567871^2 + 94586^2 .

It is a cyclic number.

It is not a de Polignac number, because 331423984037 - 2²⁴ = 331407206821 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 331423983982 and 331423984000.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (331423984237) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 165711992018 + 165711992019.

It is an arithmetic number, because the mean of its divisors is an integer number (165711992019).

Almost surely, 2^331423984037 is an apocalyptic number.

It is an amenable number.

331423984037 is a deficient number, since it is larger than the sum of its proper divisors (1).

331423984037 is an equidigital number, since it uses as much as digits as its factorization.

331423984037 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1306368, while the sum is 47.

The spelling of 331423984037 in words is "three hundred thirty-one billion, four hundred twenty-three million, nine hundred eighty-four thousand, thirty-seven".