42040131003 has 40 divisors (see below), whose sum is σ = 68487742400. Its totient is φ = 25543320192.

The previous prime is 42040130999. The next prime is 42040131017. The reversal of 42040131003 is 30013104024.

It is not a de Polignac number, because 42040131003 - 2² = 42040130999 is a prime.

It is a super-2 number, since 2×42040131003² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42040131043) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 169498 + ... + 335871.

It is an arithmetic number, because the mean of its divisors is an integer number (1712193560).

Almost surely, 2^42040131003 is an apocalyptic number.

42040131003 is a deficient number, since it is larger than the sum of its proper divisors (26447611397).

42040131003 is a wasteful number, since it uses less digits than its factorization.

42040131003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 505473 (or 505464 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 42040131003 its reverse (30013104024), we get a palindrome (72053235027).

The spelling of 42040131003 in words is "forty-two billion, forty million, one hundred thirty-one thousand, three".