231414433 has 16 divisors (see below), whose sum is σ = 251064000. Its totient is φ = 212587200.

The previous prime is 231414413. The next prime is 231414437. The reversal of 231414433 is 334414132.

231414433 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a de Polignac number, because none of the positive numbers 2^k-231414433 is a prime.

It is a super-2 number, since 2×231414433² = 107105279601422978, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 231414398 and 231414407.

It is not an unprimeable number, because it can be changed into a prime (231414437) 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, 120783 + ... + 122683.

It is an arithmetic number, because the mean of its divisors is an integer number (15691500).

Almost surely, 2^231414433 is an apocalyptic number.

It is an amenable number.

231414433 is a deficient number, since it is larger than the sum of its proper divisors (19649567).

231414433 is a wasteful number, since it uses less digits than its factorization.

231414433 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2112.

The product of its digits is 3456, while the sum is 25.

The square root of 231414433 is about 15212.3118887301. The cubic root of 231414433 is about 613.9459619566.

Adding to 231414433 its reverse (334414132), we get a palindrome (565828565).

The spelling of 231414433 in words is "two hundred thirty-one million, four hundred fourteen thousand, four hundred thirty-three".