231014320 has 40 divisors (see below), whose sum is σ = 545924880. Its totient is φ = 90888960.

The previous prime is 231014317. The next prime is 231014341. The reversal of 231014320 is 23410132.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (40).

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a junction number, because it is equal to n+sod(n) for n = 231014294 and 231014303.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18790 + ... + 28549.

It is an arithmetic number, because the mean of its divisors is an integer number (13648122).

Almost surely, 2^231014320 is an apocalyptic number.

231014320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

231014320 is an abundant number, since it is smaller than the sum of its proper divisors (314910560).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

231014320 is a wasteful number, since it uses less digits than its factorization.

231014320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47413 (or 47407 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 231014320 is about 15199.1552396836. The cubic root of 231014320 is about 613.5919225711.

Adding to 231014320 its reverse (23410132), we get a palindrome (254424452).

The spelling of 231014320 in words is "two hundred thirty-one million, fourteen thousand, three hundred twenty".