102202002031 has 4 divisors (see below), whose sum is σ = 102209644152. Its totient is φ = 102194359912.

The previous prime is 102202002029. The next prime is 102202002053. The reversal of 102202002031 is 130200202201.

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 102202002031 - 2¹ = 102202002029 is a prime.

It is a super-2 number, since 2×102202002031² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102202002131) 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, 3800965 + ... + 3827758.

It is an arithmetic number, because the mean of its divisors is an integer number (25552411038).

Almost surely, 2^102202002031 is an apocalyptic number.

102202002031 is a deficient number, since it is larger than the sum of its proper divisors (7642121).

102202002031 is an equidigital number, since it uses as much as digits as its factorization.

102202002031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7642120.

The product of its (nonzero) digits is 48, while the sum is 13.

Adding to 102202002031 its reverse (130200202201), we get a palindrome (232402204232).

The spelling of 102202002031 in words is "one hundred two billion, two hundred two million, two thousand, thirty-one".