103945031 has 8 divisors (see below), whose sum is σ = 106311744. Its totient is φ = 101593440.

The previous prime is 103945007. The next prime is 103945033. The reversal of 103945031 is 130549301.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 103945031 - 2²² = 99750727 is a prime.

It is a super-2 number, since 2×103945031² = 21609138939181922, 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 (103945033) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10745 + ... + 17981.

It is an arithmetic number, because the mean of its divisors is an integer number (13288968).

Almost surely, 2^103945031 is an apocalyptic number.

103945031 is a deficient number, since it is larger than the sum of its proper divisors (2366713).

103945031 is an equidigital number, since it uses as much as digits as its factorization.

103945031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7561.

The product of its (nonzero) digits is 1620, while the sum is 26.

The square root of 103945031 is about 10195.3435940139. The cubic root of 103945031 is about 470.1840700475.

The spelling of 103945031 in words is "one hundred three million, nine hundred forty-five thousand, thirty-one".