40232300131 has 4 divisors (see below), whose sum is σ = 41319659632. Its totient is φ = 39144940632.

The previous prime is 40232300107. The next prime is 40232300137. The reversal of 40232300131 is 13100323204.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-40232300131 is a prime.

It is a super-2 number, since 2×40232300131² (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 = 40232300099 and 40232300108.

It is not an unprimeable number, because it can be changed into a prime (40232300137) 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, 543679695 + ... + 543679768.

It is an arithmetic number, because the mean of its divisors is an integer number (10329914908).

Almost surely, 2^40232300131 is an apocalyptic number.

40232300131 is a deficient number, since it is larger than the sum of its proper divisors (1087359501).

40232300131 is a wasteful number, since it uses less digits than its factorization.

40232300131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1087359500.

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

Adding to 40232300131 its reverse (13100323204), we get a palindrome (53332623335).

The spelling of 40232300131 in words is "forty billion, two hundred thirty-two million, three hundred thousand, one hundred thirty-one".