40431600001031 has 16 divisors (see below), whose sum is σ = 42154148503488. Its totient is φ = 38745883180800.

The previous prime is 40431600000941. The next prime is 40431600001159. The reversal of 40431600001031 is 13010000613404.

It is not a de Polignac number, because 40431600001031 - 2¹⁰ = 40431600000007 is a prime.

It is a super-2 number, since 2×40431600001031² (a number of 28 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 = 40431600000988 and 40431600001006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40431600001631) 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, 9194171 + ... + 12860636.

It is an arithmetic number, because the mean of its divisors is an integer number (2634634281468).

Almost surely, 2^{40431600001031} is an apocalyptic number.

40431600001031 is a gapful number since it is divisible by the number (41) formed by its first and last digit.

40431600001031 is a deficient number, since it is larger than the sum of its proper divisors (1722548502457).

40431600001031 is a wasteful number, since it uses less digits than its factorization.

40431600001031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22055642.

The product of its (nonzero) digits is 864, while the sum is 23.

Adding to 40431600001031 its reverse (13010000613404), we get a palindrome (53441600614435).

The spelling of 40431600001031 in words is "forty trillion, four hundred thirty-one billion, six hundred million, one thousand, thirty-one".