332021031231397 has 2 divisors, whose sum is σ = 332021031231398. Its totient is φ = 332021031231396.

The previous prime is 332021031231361. The next prime is 332021031231413. The reversal of 332021031231397 is 793132130120233.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 324412006896481 + 7609024334916 = 18011441^2 + 2758446^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-332021031231397 is a prime.

It is a super-2 number, since 2×332021031231397² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (332021031631397) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 166010515615698 + 166010515615699.

It is an arithmetic number, because the mean of its divisors is an integer number (166010515615699).

Almost surely, 2^{332021031231397} is an apocalyptic number.

It is an amenable number.

332021031231397 is a deficient number, since it is larger than the sum of its proper divisors (1).

332021031231397 is an equidigital number, since it uses as much as digits as its factorization.

332021031231397 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 122472, while the sum is 40.

The spelling of 332021031231397 in words is "three hundred thirty-two trillion, twenty-one billion, thirty-one million, two hundred thirty-one thousand, three hundred ninety-seven".