102130231202231 has 4 divisors (see below), whose sum is σ = 102130277034432. Its totient is φ = 102130185370032.

The previous prime is 102130231202221. The next prime is 102130231202257. The reversal of 102130231202231 is 132202132031201.

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-102130231202231 is a prime.

It is a super-2 number, since 2×102130231202231² (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 = 102130231202197 and 102130231202206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102130231202221) 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, 19393031 + ... + 24090456.

It is an arithmetic number, because the mean of its divisors is an integer number (25532569258608).

Almost surely, 2^{102130231202231} is an apocalyptic number.

102130231202231 is a deficient number, since it is larger than the sum of its proper divisors (45832201).

102130231202231 is an equidigital number, since it uses as much as digits as its factorization.

102130231202231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45832200.

The product of its (nonzero) digits is 864, while the sum is 23.

Adding to 102130231202231 its reverse (132202132031201), we get a palindrome (234332363233432).

The spelling of 102130231202231 in words is "one hundred two trillion, one hundred thirty billion, two hundred thirty-one million, two hundred two thousand, two hundred thirty-one".