231214425 has 24 divisors (see below), whose sum is σ = 411681984. Its totient is φ = 113828160.

The previous prime is 231214421. The next prime is 231214429. The reversal of 231214425 is 524412132.

It is an interprime number because it is at equal distance from previous prime (231214421) and next prime (231214429).

It is not a de Polignac number, because 231214425 - 2² = 231214421 is a prime.

It is a super-2 number, since 2×231214425² = 106920220656161250, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 231214395 and 231214404.

It is not an unprimeable number, because it can be changed into a prime (231214421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 117597 + ... + 119546.

It is an arithmetic number, because the mean of its divisors is an integer number (17153416).

Almost surely, 2^231214425 is an apocalyptic number.

231214425 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

231214425 is a deficient number, since it is larger than the sum of its proper divisors (180467559).

231214425 is a wasteful number, since it uses less digits than its factorization.

231214425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 237169 (or 237164 counting only the distinct ones).

The product of its digits is 1920, while the sum is 24.

The square root of 231214425 is about 15205.7365819614. The cubic root of 231214425 is about 613.7690362340.

Adding to 231214425 its reverse (524412132), we get a palindrome (755626557).

The spelling of 231214425 in words is "two hundred thirty-one million, two hundred fourteen thousand, four hundred twenty-five".