1343472312 has 128 divisors (see below), whose sum is σ = 4173120000. Its totient is φ = 350949888.

The previous prime is 1343472307. The next prime is 1343472323. The reversal of 1343472312 is 2132743431.

It is a super-2 number, since 2×1343472312² = 3609835706221250688, which contains 22 as substring.

It is a nude number because it is divisible by every one of its digits.

It is a self number, because there is not a number n which added to its sum of digits gives 1343472312.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 230814 + ... + 236562.

It is an arithmetic number, because the mean of its divisors is an integer number (32602500).

Almost surely, 2^1343472312 is an apocalyptic number.

1343472312 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1343472312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2086560000).

1343472312 is an abundant number, since it is smaller than the sum of its proper divisors (2829647688).

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

1343472312 is a wasteful number, since it uses less digits than its factorization.

1343472312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5885 (or 5881 counting only the distinct ones).

The product of its digits is 12096, while the sum is 30.

The square root of 1343472312 is about 36653.4079179549. The cubic root of 1343472312 is about 1103.4252219655.

The spelling of 1343472312 in words is "one billion, three hundred forty-three million, four hundred seventy-two thousand, three hundred twelve".