103310131 has 2 divisors, whose sum is σ = 103310132. Its totient is φ = 103310130.

The previous prime is 103310113. The next prime is 103310143. The reversal of 103310131 is 131013301.

It is a happy number.

Together with previous prime (103310113) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It is an emirp because it is prime and its reverse (131013301) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-103310131 is a prime.

It is a super-2 number, since 2×103310131² = 21345966334474322, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (103310191) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51655065 + 51655066.

It is an arithmetic number, because the mean of its divisors is an integer number (51655066).

Almost surely, 2^103310131 is an apocalyptic number.

103310131 is a deficient number, since it is larger than the sum of its proper divisors (1).

103310131 is an equidigital number, since it uses as much as digits as its factorization.

103310131 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 27, while the sum is 13.

The square root of 103310131 is about 10164.1591388565. The cubic root of 103310131 is about 469.2248139095.

Adding to 103310131 its reverse (131013301), we get a palindrome (234323432).

The spelling of 103310131 in words is "one hundred three million, three hundred ten thousand, one hundred thirty-one".