103942131 has 16 divisors (see below), whose sum is σ = 147093408. Its totient is φ = 65062400.

The previous prime is 103942123. The next prime is 103942133. The reversal of 103942131 is 131249301.

It is not a de Polignac number, because 103942131 - 2³ = 103942123 is a prime.

It is a super-2 number, since 2×103942131² = 21607933193642322, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (103942133) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21301 + ... + 25721.

It is an arithmetic number, because the mean of its divisors is an integer number (9193338).

Almost surely, 2^103942131 is an apocalyptic number.

103942131 is a deficient number, since it is larger than the sum of its proper divisors (43151277).

103942131 is a wasteful number, since it uses less digits than its factorization.

103942131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4902.

The product of its (nonzero) digits is 648, while the sum is 24.

The square root of 103942131 is about 10195.2013712334. The cubic root of 103942131 is about 470.1796973950.

The spelling of 103942131 in words is "one hundred three million, nine hundred forty-two thousand, one hundred thirty-one".