102244525231 has 4 divisors (see below), whose sum is σ = 102245164912. Its totient is φ = 102243885552.

The previous prime is 102244525217. The next prime is 102244525237. The reversal of 102244525231 is 132525442201.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 102244525231 - 2⁵ = 102244525199 is a prime.

It is a super-2 number, since 2×102244525231² (a number of 23 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 = 102244525193 and 102244525202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102244525237) 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, 148990 + ... + 476116.

It is an arithmetic number, because the mean of its divisors is an integer number (25561291228).

Almost surely, 2^102244525231 is an apocalyptic number.

102244525231 is a deficient number, since it is larger than the sum of its proper divisors (639681).

102244525231 is an equidigital number, since it uses as much as digits as its factorization.

102244525231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 639680.

The product of its (nonzero) digits is 19200, while the sum is 31.

Adding to 102244525231 its reverse (132525442201), we get a palindrome (234769967432).

The spelling of 102244525231 in words is "one hundred two billion, two hundred forty-four million, five hundred twenty-five thousand, two hundred thirty-one".