40423013131 has 8 divisors (see below), whose sum is σ = 40674424320. Its totient is φ = 40171886568.

The previous prime is 40423013093. The next prime is 40423013201. The reversal of 40423013131 is 13131032404.

40423013131 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 40423013131 - 2⁷ = 40423013003 is a prime.

It is a super-2 number, since 2×40423013131² (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 (40423013531) 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, 217390 + ... + 357916.

It is an arithmetic number, because the mean of its divisors is an integer number (5084303040).

Almost surely, 2^40423013131 is an apocalyptic number.

40423013131 is a deficient number, since it is larger than the sum of its proper divisors (251411189).

40423013131 is a wasteful number, since it uses less digits than its factorization.

40423013131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 142313.

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 40423013131 its reverse (13131032404), we get a palindrome (53554045535).

The spelling of 40423013131 in words is "forty billion, four hundred twenty-three million, thirteen thousand, one hundred thirty-one".