231402301 has 8 divisors (see below), whose sum is σ = 249582200. Its totient is φ = 213276672.

The previous prime is 231402299. The next prime is 231402337. The reversal of 231402301 is 103204132.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 3422500 + 227979801 = 1850^2 + 15099^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 231402301 - 2¹ = 231402299 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 (231402371) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4476 + ... + 21973.

It is an arithmetic number, because the mean of its divisors is an integer number (31197775).

Almost surely, 2^231402301 is an apocalyptic number.

It is an amenable number.

231402301 is a deficient number, since it is larger than the sum of its proper divisors (18179899).

231402301 is a wasteful number, since it uses less digits than its factorization.

231402301 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27135.

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 231402301 is about 15211.9131275458. The cubic root of 231402301 is about 613.9352329764.

Adding to 231402301 its reverse (103204132), we get a palindrome (334606433).

The spelling of 231402301 in words is "two hundred thirty-one million, four hundred two thousand, three hundred one".