371161631 has 2 divisors, whose sum is σ = 371161632. Its totient is φ = 371161630.

The previous prime is 371161601. The next prime is 371161699. The reversal of 371161631 is 136161173.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 371161631 - 2²² = 366967327 is a prime.

It is a super-2 number, since 2×371161631² = 275521912653160322, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 371161594 and 371161603.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (371161601) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 185580815 + 185580816.

It is an arithmetic number, because the mean of its divisors is an integer number (185580816).

Almost surely, 2^371161631 is an apocalyptic number.

371161631 is a deficient number, since it is larger than the sum of its proper divisors (1).

371161631 is an equidigital number, since it uses as much as digits as its factorization.

371161631 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2268, while the sum is 29.

The square root of 371161631 is about 19265.5555590800. Note that the first 5 decimals coincide. The cubic root of 371161631 is about 718.6559487169.

The spelling of 371161631 in words is "three hundred seventy-one million, one hundred sixty-one thousand, six hundred thirty-one".