40202142131 has 2 divisors, whose sum is σ = 40202142132. Its totient is φ = 40202142130.

The previous prime is 40202142089. The next prime is 40202142139. The reversal of 40202142131 is 13124120204.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 40202142131 - 2²² = 40197947827 is a prime.

It is a super-2 number, since 2×40202142131² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (40202142139) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20101071065 + 20101071066.

It is an arithmetic number, because the mean of its divisors is an integer number (20101071066).

Almost surely, 2^40202142131 is an apocalyptic number.

40202142131 is a deficient number, since it is larger than the sum of its proper divisors (1).

40202142131 is an equidigital number, since it uses as much as digits as its factorization.

40202142131 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 40202142131 its reverse (13124120204), we get a palindrome (53326262335).

The spelling of 40202142131 in words is "forty billion, two hundred two million, one hundred forty-two thousand, one hundred thirty-one".