103142131 has 2 divisors, whose sum is σ = 103142132. Its totient is φ = 103142130.

The previous prime is 103142093. The next prime is 103142141. The reversal of 103142131 is 131241301.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 103142131 - 2²³ = 94753523 is a prime.

It is a super-2 number, since 2×103142131² = 21276598374442322, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (103142141) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51571065 + 51571066.

It is an arithmetic number, because the mean of its divisors is an integer number (51571066).

Almost surely, 2^103142131 is an apocalyptic number.

103142131 is a deficient number, since it is larger than the sum of its proper divisors (1).

103142131 is an equidigital number, since it uses as much as digits as its factorization.

103142131 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 72, while the sum is 16.

The square root of 103142131 is about 10155.8914429015. The cubic root of 103142131 is about 468.9703292271.

Adding to 103142131 its reverse (131241301), we get a palindrome (234383432).

The spelling of 103142131 in words is "one hundred three million, one hundred forty-two thousand, one hundred thirty-one".