103042631 has 4 divisors (see below), whose sum is σ = 103070352. Its totient is φ = 103014912.

The previous prime is 103042613. The next prime is 103042633. The reversal of 103042631 is 136240301.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 136240301 = 179 ⋅761119.

It is a cyclic number.

It is not a de Polignac number, because 103042631 - 2¹⁴ = 103026247 is a prime.

It is a super-2 number, since 2×103042631² = 21235567606804322, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103042633) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7226 + ... + 16071.

It is an arithmetic number, because the mean of its divisors is an integer number (25767588).

Almost surely, 2^103042631 is an apocalyptic number.

103042631 is a deficient number, since it is larger than the sum of its proper divisors (27721).

103042631 is an equidigital number, since it uses as much as digits as its factorization.

103042631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27720.

The product of its (nonzero) digits is 432, while the sum is 20.

The square root of 103042631 is about 10150.9916264373. The cubic root of 103042631 is about 468.8194773224.

Adding to 103042631 its reverse (136240301), we get a palindrome (239282932).

The spelling of 103042631 in words is "one hundred three million, forty-two thousand, six hundred thirty-one".