231214451 has 16 divisors (see below), whose sum is σ = 254150400. Its totient is φ = 209042208.

The previous prime is 231214429. The next prime is 231214471. The reversal of 231214451 is 154412132.

231214451 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-231214451 is a prime.

It is a Duffinian number.

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

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 373220 + ... + 373838.

It is an arithmetic number, because the mean of its divisors is an integer number (15884400).

Almost surely, 2^231214451 is an apocalyptic number.

231214451 is a deficient number, since it is larger than the sum of its proper divisors (22935949).

231214451 is a wasteful number, since it uses less digits than its factorization.

231214451 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1178.

The product of its digits is 960, while the sum is 23.

The square root of 231214451 is about 15205.7374369019. The cubic root of 231214451 is about 613.7690592400.

Adding to 231214451 its reverse (154412132), we get a palindrome (385626583).

It can be divided in two parts, 23121 and 4451, that added together give a palindrome (27572).

The spelling of 231214451 in words is "two hundred thirty-one million, two hundred fourteen thousand, four hundred fifty-one".