40123210331 has 8 divisors (see below), whose sum is σ = 42502636224. Its totient is φ = 37745921920.

The previous prime is 40123210321. The next prime is 40123210339. The reversal of 40123210331 is 13301232104.

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 40123210331 - 2²² = 40119016027 is a prime.

It is a super-2 number, since 2×40123210331² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (40123210339) 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, 495635 + ... + 570876.

It is an arithmetic number, because the mean of its divisors is an integer number (5312829528).

Almost surely, 2^40123210331 is an apocalyptic number.

40123210331 is a deficient number, since it is larger than the sum of its proper divisors (2379425893).

40123210331 is a wasteful number, since it uses less digits than its factorization.

40123210331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1068741.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 40123210331 its reverse (13301232104), we get a palindrome (53424442435).

The spelling of 40123210331 in words is "forty billion, one hundred twenty-three million, two hundred ten thousand, three hundred thirty-one".