531230351 has 4 divisors (see below), whose sum is σ = 531292104. Its totient is φ = 531168600.

The previous prime is 531230347. The next prime is 531230363. The reversal of 531230351 is 153032135.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 531230351 - 2² = 531230347 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 (531230311) 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, 15380 + ... + 36041.

It is an arithmetic number, because the mean of its divisors is an integer number (132823026).

Almost surely, 2^531230351 is an apocalyptic number.

531230351 is a deficient number, since it is larger than the sum of its proper divisors (61753).

531230351 is a wasteful number, since it uses less digits than its factorization.

531230351 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61752.

The product of its (nonzero) digits is 1350, while the sum is 23.

The square root of 531230351 is about 23048.4348926343. The cubic root of 531230351 is about 809.8929650775.

Adding to 531230351 its reverse (153032135), we get a palindrome (684262486).

The spelling of 531230351 in words is "five hundred thirty-one million, two hundred thirty thousand, three hundred fifty-one".