40312003131 has 24 divisors (see below), whose sum is σ = 60492519360. Its totient is φ = 26826842952.

The previous prime is 40312003111. The next prime is 40312003177. The reversal of 40312003131 is 13130021304.

40312003131 is a `hidden beast` number, since 40 + 312 + 0 + 0 + 313 + 1 = 666.

It is not a de Polignac number, because 40312003131 - 2¹¹ = 40312001083 is a prime.

It is a super-2 number, since 2×40312003131² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (40312003111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 10521 + ... + 284138.

It is an arithmetic number, because the mean of its divisors is an integer number (2520521640).

Almost surely, 2^40312003131 is an apocalyptic number.

40312003131 is a deficient number, since it is larger than the sum of its proper divisors (20180516229).

40312003131 is an equidigital number, since it uses as much as digits as its factorization.

40312003131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 295237 (or 295225 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 40312003131 its reverse (13130021304), we get a palindrome (53442024435).

The spelling of 40312003131 in words is "forty billion, three hundred twelve million, three thousand, one hundred thirty-one".