331690103 has 2 divisors, whose sum is σ = 331690104. Its totient is φ = 331690102.

The previous prime is 331690063. The next prime is 331690127. The reversal of 331690103 is 301096133.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 331690103 - 2¹⁶ = 331624567 is a prime.

It is a super-2 number, since 2×331690103² = 220036648856301218, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (331690193) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 165845051 + 165845052.

It is an arithmetic number, because the mean of its divisors is an integer number (165845052).

Almost surely, 2^331690103 is an apocalyptic number.

331690103 is a deficient number, since it is larger than the sum of its proper divisors (1).

331690103 is an equidigital number, since it uses as much as digits as its factorization.

331690103 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1458, while the sum is 26.

The square root of 331690103 is about 18212.3612692039. The cubic root of 331690103 is about 692.2200447101.

The spelling of 331690103 in words is "three hundred thirty-one million, six hundred ninety thousand, one hundred three".