42376331 has 4 divisors (see below), whose sum is σ = 42389664. Its totient is φ = 42363000.

The previous prime is 42376303. The next prime is 42376343. The reversal of 42376331 is 13367324.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 42376331 - 2¹⁸ = 42114187 is a prime.

It is a super-2 number, since 2×42376331² = 3591506858043122, 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 = 42376294 and 42376303.

It is not an unprimeable number, because it can be changed into a prime (42376391) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1181 + ... + 9281.

It is an arithmetic number, because the mean of its divisors is an integer number (10597416).

Almost surely, 2^42376331 is an apocalyptic number.

42376331 is a deficient number, since it is larger than the sum of its proper divisors (13333).

42376331 is an equidigital number, since it uses as much as digits as its factorization.

42376331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13332.

The product of its digits is 9072, while the sum is 29.

The square root of 42376331 is about 6509.7105158371. The cubic root of 42376331 is about 348.6377826116.

It can be divided in two parts, 42376 and 331, that multiplied together give a triangular number (14026456 = T₅₂₉₆).

The spelling of 42376331 in words is "forty-two million, three hundred seventy-six thousand, three hundred thirty-one".