40323242031 has 8 divisors (see below), whose sum is σ = 53783311920. Its totient is φ = 26872666752.

The previous prime is 40323242023. The next prime is 40323242041. The reversal of 40323242031 is 13024232304.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 40323242031 - 2³ = 40323242023 is a prime.

It is a super-2 number, since 2×40323242031² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 40323241992 and 40323242010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40323242041) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2363736 + ... + 2380733.

It is an arithmetic number, because the mean of its divisors is an integer number (6722913990).

Almost surely, 2^40323242031 is an apocalyptic number.

40323242031 is a deficient number, since it is larger than the sum of its proper divisors (13460069889).

40323242031 is a wasteful number, since it uses less digits than its factorization.

40323242031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4747305.

The product of its (nonzero) digits is 3456, while the sum is 24.

Adding to 40323242031 its reverse (13024232304), we get a palindrome (53347474335).

The spelling of 40323242031 in words is "forty billion, three hundred twenty-three million, two hundred forty-two thousand, thirty-one".