103144031 has 2 divisors, whose sum is σ = 103144032. Its totient is φ = 103144030.

The previous prime is 103144009. The next prime is 103144051. The reversal of 103144031 is 130441301.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-103144031 is a prime.

It is a super-2 number, since 2×103144031² = 21277382261857922, 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 (103144051) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51572015 + 51572016.

It is an arithmetic number, because the mean of its divisors is an integer number (51572016).

Almost surely, 2^103144031 is an apocalyptic number.

103144031 is a deficient number, since it is larger than the sum of its proper divisors (1).

103144031 is an equidigital number, since it uses as much as digits as its factorization.

103144031 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 103144031 is about 10155.9849842347. The cubic root of 103144031 is about 468.9732088721.

Adding to 103144031 its reverse (130441301), we get a palindrome (233585332).

The spelling of 103144031 in words is "one hundred three million, one hundred forty-four thousand, thirty-one".