338233631 has 2 divisors, whose sum is σ = 338233632. Its totient is φ = 338233630.

The previous prime is 338233627. The next prime is 338233663. The reversal of 338233631 is 136332833.

It is an a-pointer prime, because the next prime (338233663) can be obtained adding 338233631 to its sum of digits (32).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 338233631 - 2² = 338233627 is a prime.

It is a super-2 number, since 2×338233631² = 228803978278888322, which contains 22 as substring.

It is equal to p_18204656 and since 338233631 and 18204656 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (338233691) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 169116815 + 169116816.

It is an arithmetic number, because the mean of its divisors is an integer number (169116816).

Almost surely, 2^338233631 is an apocalyptic number.

338233631 is a deficient number, since it is larger than the sum of its proper divisors (1).

338233631 is an equidigital number, since it uses as much as digits as its factorization.

338233631 is an evil number, because the sum of its binary digits is even.

The product of its digits is 23328, while the sum is 32.

The square root of 338233631 is about 18391.1291387995. The cubic root of 338233631 is about 696.7424360203.

The spelling of 338233631 in words is "three hundred thirty-eight million, two hundred thirty-three thousand, six hundred thirty-one".