40233320031 has 4 divisors (see below), whose sum is σ = 53644426712. Its totient is φ = 26822213352.

The previous prime is 40233319991. The next prime is 40233320051. The reversal of 40233320031 is 13002333204.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 40233320031 - 2⁹ = 40233319519 is a prime.

It is a super-2 number, since 2×40233320031² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40233320051) 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 3 ways as a sum of consecutive naturals, for example, 6705553336 + ... + 6705553341.

It is an arithmetic number, because the mean of its divisors is an integer number (13411106678).

Almost surely, 2^40233320031 is an apocalyptic number.

40233320031 is a deficient number, since it is larger than the sum of its proper divisors (13411106681).

40233320031 is a wasteful number, since it uses less digits than its factorization.

40233320031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13411106680.

The product of its (nonzero) digits is 1296, while the sum is 21.

Adding to 40233320031 its reverse (13002333204), we get a palindrome (53235653235).

The spelling of 40233320031 in words is "forty billion, two hundred thirty-three million, three hundred twenty thousand, thirty-one".