102002000131 has 4 divisors (see below), whose sum is σ = 105292387264. Its totient is φ = 98711613000.

The previous prime is 102002000117. The next prime is 102002000141. The reversal of 102002000131 is 131000200201.

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 102002000131 - 2²⁵ = 101968445699 is a prime.

It is a super-2 number, since 2×102002000131² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (102002000141) 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, 1645193520 + ... + 1645193581.

It is an arithmetic number, because the mean of its divisors is an integer number (26323096816).

Almost surely, 2^102002000131 is an apocalyptic number.

102002000131 is a deficient number, since it is larger than the sum of its proper divisors (3290387133).

102002000131 is an equidigital number, since it uses as much as digits as its factorization.

102002000131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3290387132.

The product of its (nonzero) digits is 12, while the sum is 10.

Adding to 102002000131 its reverse (131000200201), we get a palindrome (233002200332).

The spelling of 102002000131 in words is "one hundred two billion, two million, one hundred thirty-one", and thus it is an aban number.