40313421231 has 16 divisors (see below), whose sum is σ = 54499774560. Its totient is φ = 26501506560.

The previous prime is 40313421199. The next prime is 40313421241. The reversal of 40313421231 is 13212431304.

It is a happy number.

It is not a de Polignac number, because 40313421231 - 2⁵ = 40313421199 is a prime.

It is a super-2 number, since 2×40313421231² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40313421241) 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, 1094625 + ... + 1130853.

It is an arithmetic number, because the mean of its divisors is an integer number (3406235910).

Almost surely, 2^40313421231 is an apocalyptic number.

40313421231 is a deficient number, since it is larger than the sum of its proper divisors (14186353329).

40313421231 is a wasteful number, since it uses less digits than its factorization.

40313421231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41386.

The product of its (nonzero) digits is 1728, while the sum is 24.

Adding to 40313421231 its reverse (13212431304), we get a palindrome (53525852535).

The spelling of 40313421231 in words is "forty billion, three hundred thirteen million, four hundred twenty-one thousand, two hundred thirty-one".