40310120431 has 16 divisors (see below), whose sum is σ = 47603968000. Its totient is φ = 34114147704.

The previous prime is 40310120407. The next prime is 40310120443. The reversal of 40310120431 is 13402101304.

It is not a de Polignac number, because 40310120431 - 2⁷ = 40310120303 is a prime.

It is a super-2 number, since 2×40310120431² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 40310120399 and 40310120408.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40310120831) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 716715 + ... + 770908.

It is an arithmetic number, because the mean of its divisors is an integer number (2975248000).

Almost surely, 2^40310120431 is an apocalyptic number.

40310120431 is a deficient number, since it is larger than the sum of its proper divisors (7293847569).

40310120431 is an equidigital number, since it uses as much as digits as its factorization.

40310120431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1487723 (or 1487709 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 40310120431 its reverse (13402101304), we get a palindrome (53712221735).

The spelling of 40310120431 in words is "forty billion, three hundred ten million, one hundred twenty thousand, four hundred thirty-one".