231401434 has 8 divisors (see below), whose sum is σ = 378656928. Its totient is φ = 105182460.

The previous prime is 231401431. The next prime is 231401449. The reversal of 231401434 is 434104132.

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

It is a Harshad number since it is a multiple of its sum of digits (22), and also a Moran number because the ratio is a prime number: 10518247 = 231401434 / (2 + 3 + 1 + 4 + 0 + 1 + 4 + 3 + 4).

It is not an unprimeable number, because it can be changed into a prime (231401431) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5259102 + ... + 5259145.

It is an arithmetic number, because the mean of its divisors is an integer number (47332116).

Almost surely, 2^231401434 is an apocalyptic number.

231401434 is a deficient number, since it is larger than the sum of its proper divisors (147255494).

231401434 is a wasteful number, since it uses less digits than its factorization.

231401434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10518260.

The product of its (nonzero) digits is 1152, while the sum is 22.

The square root of 231401434 is about 15211.8846301173. The cubic root of 231401434 is about 613.9344662273.

Adding to 231401434 its reverse (434104132), we get a palindrome (665505566).

The spelling of 231401434 in words is "two hundred thirty-one million, four hundred one thousand, four hundred thirty-four".