40232231431 has 16 divisors (see below), whose sum is σ = 46164783168. Its totient is φ = 34346188800.

The previous prime is 40232231411. The next prime is 40232231443. The reversal of 40232231431 is 13413223204.

It is not a de Polignac number, because 40232231431 - 2¹⁵ = 40232198663 is a prime.

It is a super-2 number, since 2×40232231431² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 40232231396 and 40232231405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40232231401) 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, 2167711 + ... + 2186191.

It is an arithmetic number, because the mean of its divisors is an integer number (2885298948).

Almost surely, 2^40232231431 is an apocalyptic number.

40232231431 is a deficient number, since it is larger than the sum of its proper divisors (5932551737).

40232231431 is a wasteful number, since it uses less digits than its factorization.

40232231431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19722.

The product of its (nonzero) digits is 3456, while the sum is 25.

Adding to 40232231431 its reverse (13413223204), we get a palindrome (53645454635).

The spelling of 40232231431 in words is "forty billion, two hundred thirty-two million, two hundred thirty-one thousand, four hundred thirty-one".