202102310029987 has 2 divisors, whose sum is σ = 202102310029988. Its totient is φ = 202102310029986.

The previous prime is 202102310029981. The next prime is 202102310030087. The reversal of 202102310029987 is 789920013201202.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-202102310029987 is a prime.

It is not a weakly prime, because it can be changed into another prime (202102310029981) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 101051155014993 + 101051155014994.

It is an arithmetic number, because the mean of its divisors is an integer number (101051155014994).

Almost surely, 2^{202102310029987} is an apocalyptic number.

202102310029987 is a deficient number, since it is larger than the sum of its proper divisors (1).

202102310029987 is an equidigital number, since it uses as much as digits as its factorization.

202102310029987 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 217728, while the sum is 46.

The spelling of 202102310029987 in words is "two hundred two trillion, one hundred two billion, three hundred ten million, twenty-nine thousand, nine hundred eighty-seven".