231102425 has 24 divisors (see below), whose sum is σ = 295115040. Its totient is φ = 179424000.

The previous prime is 231102409. The next prime is 231102457. The reversal of 231102425 is 524201132.

It is not a de Polignac number, because 231102425 - 2⁴ = 231102409 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 231102397 and 231102406.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 191825 + ... + 193025.

It is an arithmetic number, because the mean of its divisors is an integer number (12296460).

Almost surely, 2^231102425 is an apocalyptic number.

231102425 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

231102425 is a deficient number, since it is larger than the sum of its proper divisors (64012615).

231102425 is a wasteful number, since it uses less digits than its factorization.

231102425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1433 (or 1428 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 231102425 is about 15202.0533152598. The cubic root of 231102425 is about 613.6699172242.

Adding to 231102425 its reverse (524201132), we get a palindrome (755303557).

The spelling of 231102425 in words is "two hundred thirty-one million, one hundred two thousand, four hundred twenty-five".