40311231032 has 32 divisors (see below), whose sum is σ = 76086248400. Its totient is φ = 20021804544.

The previous prime is 40311231029. The next prime is 40311231043. The reversal of 40311231032 is 23013211304.

It is a junction number, because it is equal to n+sod(n) for n = 40311230995 and 40311231013.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1384658 + ... + 1413470.

Almost surely, 2^40311231032 is an apocalyptic number.

It is an amenable number.

40311231032 is a deficient number, since it is larger than the sum of its proper divisors (35775017368).

40311231032 is a wasteful number, since it uses less digits than its factorization.

40311231032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29975 (or 29971 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 40311231032 its reverse (23013211304), we get a palindrome (63324442336).

The spelling of 40311231032 in words is "forty billion, three hundred eleven million, two hundred thirty-one thousand, thirty-two".