42932131 has 12 divisors (see below), whose sum is σ = 47401200. Its totient is φ = 38854640.

The previous prime is 42932129. The next prime is 42932159. The reversal of 42932131 is 13123924.

It is not a de Polignac number, because 42932131 - 2¹ = 42932129 is a prime.

It is a super-2 number, since 2×42932131² = 3686335744402322, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 42932096 and 42932105.

It is not an unprimeable number, because it can be changed into a prime (42932111) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 31890 + ... + 33208.

It is an arithmetic number, because the mean of its divisors is an integer number (3950100).

Almost surely, 2^42932131 is an apocalyptic number.

42932131 is a deficient number, since it is larger than the sum of its proper divisors (4469069).

42932131 is a wasteful number, since it uses less digits than its factorization.

42932131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1610 (or 1599 counting only the distinct ones).

The product of its digits is 1296, while the sum is 25.

The square root of 42932131 is about 6552.2615179799. The cubic root of 42932131 is about 350.1553895049.

The spelling of 42932131 in words is "forty-two million, nine hundred thirty-two thousand, one hundred thirty-one".