313232132444 has 48 divisors (see below), whose sum is σ = 683509698816. Its totient is φ = 122021683200.

The previous prime is 313232132429. The next prime is 313232132489. The reversal of 313232132444 is 444231232313.

It is a super-2 number, since 2×313232132444² (a number of 24 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 313232132444.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2299547 + ... + 2431949.

It is an arithmetic number, because the mean of its divisors is an integer number (14239785392).

Almost surely, 2^313232132444 is an apocalyptic number.

It is an amenable number.

313232132444 is an abundant number, since it is smaller than the sum of its proper divisors (370277566372).

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

313232132444 is a wasteful number, since it uses less digits than its factorization.

313232132444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 140106 (or 140104 counting only the distinct ones).

The product of its digits is 41472, while the sum is 32.

Adding to 313232132444 its reverse (444231232313), we get a palindrome (757463364757).

The spelling of 313232132444 in words is "three hundred thirteen billion, two hundred thirty-two million, one hundred thirty-two thousand, four hundred forty-four".