42325031 has 8 divisors (see below), whose sum is σ = 48428544. Its totient is φ = 36235800.

The previous prime is 42325021. The next prime is 42325043. The reversal of 42325031 is 13052324.

It is a happy number.

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 42325031 - 2⁶ = 42324967 is a prime.

It is a super-2 number, since 2×42325031² = 3582816498301922, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 42324994 and 42325012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42325021) 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, 3806 + ... + 9956.

It is an arithmetic number, because the mean of its divisors is an integer number (6053568).

Almost surely, 2^42325031 is an apocalyptic number.

42325031 is a deficient number, since it is larger than the sum of its proper divisors (6103513).

42325031 is an equidigital number, since it uses as much as digits as its factorization.

42325031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7141.

The product of its (nonzero) digits is 720, while the sum is 20.

The square root of 42325031 is about 6505.7690552309. The cubic root of 42325031 is about 348.4970409931.

Adding to 42325031 its reverse (13052324), we get a palindrome (55377355).

The spelling of 42325031 in words is "forty-two million, three hundred twenty-five thousand, thirty-one".