231401734 has 4 divisors (see below), whose sum is σ = 347102604. Its totient is φ = 115700866.

The previous prime is 231401699. The next prime is 231401749. The reversal of 231401734 is 437104132.

231401734 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a junction number, because it is equal to n+sod(n) for n = 231401699 and 231401708.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 57850432 + ... + 57850435.

It is an arithmetic number, because the mean of its divisors is an integer number (86775651).

Almost surely, 2^231401734 is an apocalyptic number.

231401734 is a deficient number, since it is larger than the sum of its proper divisors (115700870).

231401734 is a wasteful number, since it uses less digits than its factorization.

231401734 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 115700869.

The product of its (nonzero) digits is 2016, while the sum is 25.

The square root of 231401734 is about 15211.8944908253. The cubic root of 231401734 is about 613.9347315386.

Adding to 231401734 its reverse (437104132), we get a palindrome (668505866).

The spelling of 231401734 in words is "two hundred thirty-one million, four hundred one thousand, seven hundred thirty-four".