40431110312 has 32 divisors (see below), whose sum is σ = 75991612800. Its totient is φ = 20166741504.

The previous prime is 40431110311. The next prime is 40431110329. The reversal of 40431110312 is 21301113404.

It is a super-2 number, since 2×40431110312² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (40431110311) 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, 7141739 + ... + 7147397.

It is an arithmetic number, because the mean of its divisors is an integer number (2374737900).

Almost surely, 2^40431110312 is an apocalyptic number.

It is an amenable number.

40431110312 is a deficient number, since it is larger than the sum of its proper divisors (35560502488).

40431110312 is a wasteful number, since it uses less digits than its factorization.

40431110312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7665 (or 7661 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 40431110312 its reverse (21301113404), we get a palindrome (61732223716).

The spelling of 40431110312 in words is "forty billion, four hundred thirty-one million, one hundred ten thousand, three hundred twelve".