40321223031 has 8 divisors (see below), whose sum is σ = 53783883504. Its totient is φ = 26869688960.

The previous prime is 40321223021. The next prime is 40321223039. The reversal of 40321223031 is 13032212304.

40321223031 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 40321223031 - 2⁹ = 40321222519 is a prime.

It is a super-2 number, since 2×40321223031² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 40321222989 and 40321223007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40321223039) 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, 2773140 + ... + 2787641.

It is an arithmetic number, because the mean of its divisors is an integer number (6722985438).

Almost surely, 2^40321223031 is an apocalyptic number.

40321223031 is a deficient number, since it is larger than the sum of its proper divisors (13462660473).

40321223031 is a wasteful number, since it uses less digits than its factorization.

40321223031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5563201.

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 40321223031 its reverse (13032212304), we get a palindrome (53353435335).

The spelling of 40321223031 in words is "forty billion, three hundred twenty-one million, two hundred twenty-three thousand, thirty-one".