40023300031 has 16 divisors (see below), whose sum is σ = 47459841408. Its totient is φ = 33272085600.

The previous prime is 40023300011. The next prime is 40023300047. The reversal of 40023300031 is 13000332004.

It is not a de Polignac number, because 40023300031 - 2⁵ = 40023299999 is a prime.

It is a super-2 number, since 2×40023300031² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 40023299978 and 40023300014.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40023300001) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1292565 + ... + 1323166.

It is an arithmetic number, because the mean of its divisors is an integer number (2966240088).

Almost surely, 2^40023300031 is an apocalyptic number.

40023300031 is a deficient number, since it is larger than the sum of its proper divisors (7436541377).

40023300031 is a wasteful number, since it uses less digits than its factorization.

40023300031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2615862.

The product of its (nonzero) digits is 216, while the sum is 16.

Adding to 40023300031 its reverse (13000332004), we get a palindrome (53023632035).

It can be divided in two parts, 4002 and 3300031, that added together give a palindrome (3304033).

The spelling of 40023300031 in words is "forty billion, twenty-three million, three hundred thousand, thirty-one".