331324340429 has 2 divisors, whose sum is σ = 331324340430. Its totient is φ = 331324340428.

The previous prime is 331324340387. The next prime is 331324340443. The reversal of 331324340429 is 924043423133.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 301851348100 + 29472992329 = 549410^2 + 171677^2 .

It is a cyclic number.

It is not a de Polignac number, because 331324340429 - 2³⁶ = 262604863693 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 331324340392 and 331324340401.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (331324340489) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 165662170214 + 165662170215.

It is an arithmetic number, because the mean of its divisors is an integer number (165662170215).

Almost surely, 2^331324340429 is an apocalyptic number.

It is an amenable number.

331324340429 is a deficient number, since it is larger than the sum of its proper divisors (1).

331324340429 is an equidigital number, since it uses as much as digits as its factorization.

331324340429 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 186624, while the sum is 38.

The spelling of 331324340429 in words is "three hundred thirty-one billion, three hundred twenty-four million, three hundred forty thousand, four hundred twenty-nine".