231345351 has 6 divisors (see below), whose sum is σ = 334165520. Its totient is φ = 154230228.

The previous prime is 231345347. The next prime is 231345353. The reversal of 231345351 is 153543132.

231345351 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 231345351 - 2² = 231345347 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231345353) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 12852511 + ... + 12852528.

Almost surely, 2^231345351 is an apocalyptic number.

231345351 is a deficient number, since it is larger than the sum of its proper divisors (102820169).

231345351 is a wasteful number, since it uses less digits than its factorization.

231345351 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25705045 (or 25705042 counting only the distinct ones).

The product of its digits is 5400, while the sum is 27.

The square root of 231345351 is about 15210.0411242048. The cubic root of 231345351 is about 613.8848640157.

Adding to 231345351 its reverse (153543132), we get a palindrome (384888483).

The spelling of 231345351 in words is "two hundred thirty-one million, three hundred forty-five thousand, three hundred fifty-one".