373431361 has 2 divisors, whose sum is σ = 373431362. Its totient is φ = 373431360.

The previous prime is 373431329. The next prime is 373431379. The reversal of 373431361 is 163134373.

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., 361570225 + 11861136 = 19015^2 + 3444^2 .

It is an emirp because it is prime and its reverse (163134373) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 373431361 - 2⁵ = 373431329 is a prime.

It is not a weakly prime, because it can be changed into another prime (373431161) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 186715680 + 186715681.

It is an arithmetic number, because the mean of its divisors is an integer number (186715681).

Almost surely, 2^373431361 is an apocalyptic number.

It is an amenable number.

373431361 is a deficient number, since it is larger than the sum of its proper divisors (1).

373431361 is an equidigital number, since it uses as much as digits as its factorization.

373431361 is an evil number, because the sum of its binary digits is even.

The product of its digits is 13608, while the sum is 31.

The square root of 373431361 is about 19324.3722019630. The cubic root of 373431361 is about 720.1178825761.

The spelling of 373431361 in words is "three hundred seventy-three million, four hundred thirty-one thousand, three hundred sixty-one".