40320030131 has 8 divisors (see below), whose sum is σ = 42450355200. Its totient is φ = 38190526920.

The previous prime is 40320030071. The next prime is 40320030187. The reversal of 40320030131 is 13103002304.

It is a happy number.

40320030131 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 a de Polignac number, because none of the positive numbers 2^k-40320030131 is a prime.

It is a super-2 number, since 2×40320030131² (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 (40320030431) 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, 103451 + ... + 302228.

It is an arithmetic number, because the mean of its divisors is an integer number (5306294400).

Almost surely, 2^40320030131 is an apocalyptic number.

40320030131 is a deficient number, since it is larger than the sum of its proper divisors (2130325069).

40320030131 is a wasteful number, since it uses less digits than its factorization.

40320030131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 410929.

The product of its (nonzero) digits is 216, while the sum is 17.

Adding to 40320030131 its reverse (13103002304), we get a palindrome (53423032435).

The spelling of 40320030131 in words is "forty billion, three hundred twenty million, thirty thousand, one hundred thirty-one".