40223443131 has 16 divisors (see below), whose sum is σ = 59630581920. Its totient is φ = 26797495680.

The previous prime is 40223443063. The next prime is 40223443177. The reversal of 40223443131 is 13134432204.

40223443131 is a `hidden beast` number, since 4 + 0 + 2 + 2 + 344 + 313 + 1 = 666.

It is not a de Polignac number, because 40223443131 - 2⁷ = 40223443003 is a prime.

It is a super-2 number, since 2×40223443131² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 40223443095 and 40223443104.

It is not an unprimeable number, because it can be changed into a prime (40223442131) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 462970 + ... + 542943.

It is an arithmetic number, because the mean of its divisors is an integer number (3726911370).

Almost surely, 2^40223443131 is an apocalyptic number.

40223443131 is a deficient number, since it is larger than the sum of its proper divisors (19407138789).

40223443131 is a wasteful number, since it uses less digits than its factorization.

40223443131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1007403 (or 1007397 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 27.

Adding to 40223443131 its reverse (13134432204), we get a palindrome (53357875335).

The spelling of 40223443131 in words is "forty billion, two hundred twenty-three million, four hundred forty-three thousand, one hundred thirty-one".