42631342 has 16 divisors (see below), whose sum is σ = 72917712. Its totient is φ = 18518400.

The previous prime is 42631339. The next prime is 42631387. The reversal of 42631342 is 24313624.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 47784 + ... + 48667.

It is an arithmetic number, because the mean of its divisors is an integer number (4557357).

Almost surely, 2^42631342 is an apocalyptic number.

42631342 is a deficient number, since it is larger than the sum of its proper divisors (30286370).

42631342 is a wasteful number, since it uses less digits than its factorization.

42631342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96483.

The product of its digits is 3456, while the sum is 25.

The square root of 42631342 is about 6529.2681059978. The cubic root of 42631342 is about 349.3357250854.

Adding to 42631342 its reverse (24313624), we get a palindrome (66944966).

The spelling of 42631342 in words is "forty-two million, six hundred thirty-one thousand, three hundred forty-two".