42030131 has 24 divisors (see below), whose sum is σ = 51860736. Its totient is φ = 33702240.

The previous prime is 42030127. The next prime is 42030143. The reversal of 42030131 is 13103024.

It is not a de Polignac number, because 42030131 - 2² = 42030127 is a prime.

It is a super-2 number, since 2×42030131² = 3533063823754322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42030031) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 42266 + ... + 43248.

It is an arithmetic number, because the mean of its divisors is an integer number (2160864).

Almost surely, 2^42030131 is an apocalyptic number.

42030131 is a deficient number, since it is larger than the sum of its proper divisors (9830605).

42030131 is a wasteful number, since it uses less digits than its factorization.

42030131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1043 (or 1030 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 42030131 is about 6483.0649387462. The cubic root of 42030131 is about 347.6857685543.

Adding to 42030131 its reverse (13103024), we get a palindrome (55133155).

The spelling of 42030131 in words is "forty-two million, thirty thousand, one hundred thirty-one".