51334231 has 8 divisors (see below), whose sum is σ = 55384560. Its totient is φ = 47298432.

The previous prime is 51334223. The next prime is 51334249. The reversal of 51334231 is 13243315.

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 51334231 - 2³ = 51334223 is a prime.

It is a super-2 number, since 2×51334231² = 5270406544722722, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51334201) 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, 4380 + ... + 11038.

It is an arithmetic number, because the mean of its divisors is an integer number (6923070).

Almost surely, 2^51334231 is an apocalyptic number.

51334231 is a deficient number, since it is larger than the sum of its proper divisors (4050329).

51334231 is a wasteful number, since it uses less digits than its factorization.

51334231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7265.

The product of its digits is 1080, while the sum is 22.

The square root of 51334231 is about 7164.7910646438. The cubic root of 51334231 is about 371.6513261804.

Adding to 51334231 its reverse (13243315), we get a palindrome (64577546).

The spelling of 51334231 in words is "fifty-one million, three hundred thirty-four thousand, two hundred thirty-one".