40331233421031 has 32 divisors (see below), whose sum is σ = 62376974899200. Its totient is φ = 22703383676160.

The previous prime is 40331233421009. The next prime is 40331233421111. The reversal of 40331233421031 is 13012433213304.

It is not a de Polignac number, because 40331233421031 - 2³¹ = 40329085937383 is a prime.

It is a super-2 number, since 2×40331233421031² (a number of 28 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 40331233421031.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40331233429031) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 39307236 + ... + 40320233.

It is an arithmetic number, because the mean of its divisors is an integer number (1949280465600).

Almost surely, 2^{40331233421031} is an apocalyptic number.

40331233421031 is a deficient number, since it is larger than the sum of its proper divisors (22045741478169).

40331233421031 is a wasteful number, since it uses less digits than its factorization.

40331233421031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79627839.

The product of its (nonzero) digits is 15552, while the sum is 30.

Adding to 40331233421031 its reverse (13012433213304), we get a palindrome (53343666634335).

The spelling of 40331233421031 in words is "forty trillion, three hundred thirty-one billion, two hundred thirty-three million, four hundred twenty-one thousand, thirty-one".