40233230131 has 4 divisors (see below), whose sum is σ = 41089256352. Its totient is φ = 39377203912.

The previous prime is 40233230129. The next prime is 40233230137. The reversal of 40233230131 is 13103233204.

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

It is a cyclic number.

It is not a de Polignac number, because 40233230131 - 2¹ = 40233230129 is a prime.

It is a super-2 number, since 2×40233230131² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40233230137) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 428013040 + ... + 428013133.

It is an arithmetic number, because the mean of its divisors is an integer number (10272314088).

Almost surely, 2^40233230131 is an apocalyptic number.

40233230131 is a deficient number, since it is larger than the sum of its proper divisors (856026221).

40233230131 is an equidigital number, since it uses as much as digits as its factorization.

40233230131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 856026220.

The product of its (nonzero) digits is 1296, while the sum is 22.

Adding to 40233230131 its reverse (13103233204), we get a palindrome (53336463335).

The spelling of 40233230131 in words is "forty billion, two hundred thirty-three million, two hundred thirty thousand, one hundred thirty-one".