40221214131 has 32 divisors (see below), whose sum is σ = 61641216000. Its totient is φ = 22851972000.

The previous prime is 40221214123. The next prime is 40221214153. The reversal of 40221214131 is 13141212204.

It is not a de Polignac number, because 40221214131 - 2³ = 40221214123 is a prime.

It is a super-2 number, since 2×40221214131² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a junction number, because it is equal to n+sod(n) for n = 40221214098 and 40221214107.

It is not an unprimeable number, because it can be changed into a prime (40221214181) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3150960 + ... + 3163698.

It is an arithmetic number, because the mean of its divisors is an integer number (1926288000).

Almost surely, 2^40221214131 is an apocalyptic number.

40221214131 is a deficient number, since it is larger than the sum of its proper divisors (21420001869).

40221214131 is a wasteful number, since it uses less digits than its factorization.

40221214131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13599.

The product of its (nonzero) digits is 384, while the sum is 21.

Adding to 40221214131 its reverse (13141212204), we get a palindrome (53362426335).

The spelling of 40221214131 in words is "forty billion, two hundred twenty-one million, two hundred fourteen thousand, one hundred thirty-one".