102002301131131 has 4 divisors (see below), whose sum is σ = 102002424552832. Its totient is φ = 102002177709432.

The previous prime is 102002301131123. The next prime is 102002301131161. The reversal of 102002301131131 is 131131103200201.

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 102002301131131 - 2³ = 102002301131123 is a prime.

It is a super-2 number, since 2×102002301131131² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 102002301131099 and 102002301131108.

It is not an unprimeable number, because it can be changed into a prime (102002301131161) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 60462756 + ... + 62126881.

It is an arithmetic number, because the mean of its divisors is an integer number (25500606138208).

Almost surely, 2^{102002301131131} is an apocalyptic number.

102002301131131 is a deficient number, since it is larger than the sum of its proper divisors (123421701).

102002301131131 is an equidigital number, since it uses as much as digits as its factorization.

102002301131131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 123421700.

The product of its (nonzero) digits is 108, while the sum is 19.

Adding to 102002301131131 its reverse (131131103200201), we get a palindrome (233133404331332).

The spelling of 102002301131131 in words is "one hundred two trillion, two billion, three hundred one million, one hundred thirty-one thousand, one hundred thirty-one".