40221230131 has 8 divisors (see below), whose sum is σ = 42386102720. Its totient is φ = 38061154152.

The previous prime is 40221230117. The next prime is 40221230167. The reversal of 40221230131 is 13103212204.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 40221230131 - 2¹⁵ = 40221197363 is a prime.

It is a super-2 number, since 2×40221230131² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 40221230099 and 40221230108.

It is not an unprimeable number, because it can be changed into a prime (40221210131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1181925 + ... + 1215478.

It is an arithmetic number, because the mean of its divisors is an integer number (5298262840).

Almost surely, 2^40221230131 is an apocalyptic number.

40221230131 is a deficient number, since it is larger than the sum of its proper divisors (2164872589).

40221230131 is a wasteful number, since it uses less digits than its factorization.

40221230131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2398305.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 40221230131 its reverse (13103212204), we get a palindrome (53324442335).

The spelling of 40221230131 in words is "forty billion, two hundred twenty-one million, two hundred thirty thousand, one hundred thirty-one".