338061631 has 2 divisors, whose sum is σ = 338061632. Its totient is φ = 338061630.

The previous prime is 338061593. The next prime is 338061649. The reversal of 338061631 is 136160833.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 338061631 - 2²³ = 329673023 is a prime.

It is a super-2 number, since 2×338061631² = 228571332708760322, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 338061593 and 338061602.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (338071631) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 169030815 + 169030816.

It is an arithmetic number, because the mean of its divisors is an integer number (169030816).

Almost surely, 2^338061631 is an apocalyptic number.

338061631 is a deficient number, since it is larger than the sum of its proper divisors (1).

338061631 is an equidigital number, since it uses as much as digits as its factorization.

338061631 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7776, while the sum is 31.

The square root of 338061631 is about 18386.4523766821. The cubic root of 338061631 is about 696.6243125227.

The spelling of 338061631 in words is "three hundred thirty-eight million, sixty-one thousand, six hundred thirty-one".