40031032231 has 16 divisors (see below), whose sum is σ = 41117073120. Its totient is φ = 38960064000.

The previous prime is 40031032211. The next prime is 40031032253. The reversal of 40031032231 is 13223013004.

It is a cyclic number.

It is not a de Polignac number, because 40031032231 - 2³¹ = 37883548583 is a prime.

It is a super-2 number, since 2×40031032231² (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 = 40031032199 and 40031032208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40031032211) 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, 13337731 + ... + 13340731.

It is an arithmetic number, because the mean of its divisors is an integer number (2569817070).

Almost surely, 2^40031032231 is an apocalyptic number.

40031032231 is a deficient number, since it is larger than the sum of its proper divisors (1086040889).

40031032231 is a wasteful number, since it uses less digits than its factorization.

40031032231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5394.

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 40031032231 its reverse (13223013004), we get a palindrome (53254045235).

The spelling of 40031032231 in words is "forty billion, thirty-one million, thirty-two thousand, two hundred thirty-one".