102203122031 has 4 divisors (see below), whose sum is σ = 102242178192. Its totient is φ = 102164065872.

The previous prime is 102203122019. The next prime is 102203122033. The reversal of 102203122031 is 130221302201.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-102203122031 is a prime.

It is a super-2 number, since 2×102203122031² (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 (102203122033) 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, 19524155 + ... + 19529388.

It is an arithmetic number, because the mean of its divisors is an integer number (25560544548).

Almost surely, 2^102203122031 is an apocalyptic number.

102203122031 is a deficient number, since it is larger than the sum of its proper divisors (39056161).

102203122031 is an equidigital number, since it uses as much as digits as its factorization.

102203122031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39056160.

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 102203122031 its reverse (130221302201), we get a palindrome (232424424232).

The spelling of 102203122031 in words is "one hundred two billion, two hundred three million, one hundred twenty-two thousand, thirty-one".