40142302102131 has 4 divisors (see below), whose sum is σ = 53523069469512. Its totient is φ = 26761534734752.

The previous prime is 40142302102127. The next prime is 40142302102139. The reversal of 40142302102131 is 13120120324104.

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

It is a cyclic number.

It is not a de Polignac number, because 40142302102131 - 2² = 40142302102127 is a prime.

It is a super-2 number, since 2×40142302102131² (a number of 28 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (40142302102139) 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 3 ways as a sum of consecutive naturals, for example, 6690383683686 + ... + 6690383683691.

It is an arithmetic number, because the mean of its divisors is an integer number (13380767367378).

Almost surely, 2^{40142302102131} is an apocalyptic number.

40142302102131 is a deficient number, since it is larger than the sum of its proper divisors (13380767367381).

40142302102131 is a wasteful number, since it uses less digits than its factorization.

40142302102131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13380767367380.

The product of its (nonzero) digits is 1152, while the sum is 24.

Adding to 40142302102131 its reverse (13120120324104), we get a palindrome (53262422426235).

The spelling of 40142302102131 in words is "forty trillion, one hundred forty-two billion, three hundred two million, one hundred two thousand, one hundred thirty-one".