42016356131 has 4 divisors (see below), whose sum is σ = 42643465992. Its totient is φ = 41389246272.

The previous prime is 42016356127. The next prime is 42016356157. The reversal of 42016356131 is 13165361024.

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 42016356131 - 2² = 42016356127 is a prime.

It is a super-2 number, since 2×42016356131² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42016356181) 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, 313554830 + ... + 313554963.

It is an arithmetic number, because the mean of its divisors is an integer number (10660866498).

Almost surely, 2^42016356131 is an apocalyptic number.

42016356131 is a deficient number, since it is larger than the sum of its proper divisors (627109861).

42016356131 is an equidigital number, since it uses as much as digits as its factorization.

42016356131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 627109860.

The product of its (nonzero) digits is 12960, while the sum is 32.

The spelling of 42016356131 in words is "forty-two billion, sixteen million, three hundred fifty-six thousand, one hundred thirty-one".