231451413 has 16 divisors (see below), whose sum is σ = 334357056. Its totient is φ = 141845760.

The previous prime is 231451411. The next prime is 231451421. The reversal of 231451413 is 314154132.

It is a happy number.

It is not a de Polignac number, because 231451413 - 2¹ = 231451411 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231451411) 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, 50578 + ... + 54963.

It is an arithmetic number, because the mean of its divisors is an integer number (20897316).

Almost surely, 2^231451413 is an apocalyptic number.

It is an amenable number.

231451413 is a deficient number, since it is larger than the sum of its proper divisors (102905643).

231451413 is a wasteful number, since it uses less digits than its factorization.

231451413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105604.

The product of its digits is 1440, while the sum is 24.

The square root of 231451413 is about 15213.5273030287. The cubic root of 231451413 is about 613.9786630463.

The spelling of 231451413 in words is "two hundred thirty-one million, four hundred fifty-one thousand, four hundred thirteen".