503231232312 has 48 divisors (see below), whose sum is σ = 1391916183840. Its totient is φ = 164174727168.

The previous prime is 503231232269. The next prime is 503231232367. The reversal of 503231232312 is 213232132305.

It is a happy number.

503231232312 is a `hidden beast` number, since 5 + 0 + 3 + 2 + 312 + 32 + 312 = 666.

It is a super-2 number, since 2×503231232312² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 74351113 + ... + 74357880.

It is an arithmetic number, because the mean of its divisors is an integer number (28998253830).

Almost surely, 2^503231232312 is an apocalyptic number.

It is an amenable number.

503231232312 is an abundant number, since it is smaller than the sum of its proper divisors (888684951528).

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

503231232312 is a wasteful number, since it uses less digits than its factorization.

503231232312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 148709052 (or 148709045 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 27.

Adding to 503231232312 its reverse (213232132305), we get a palindrome (716463364617).

The spelling of 503231232312 in words is "five hundred three billion, two hundred thirty-one million, two hundred thirty-two thousand, three hundred twelve".