1343145312 has 36 divisors (see below), whose sum is σ = 3819570300. Its totient is φ = 447715008.

The previous prime is 1343145311. The next prime is 1343145313. The reversal of 1343145312 is 2135413431.

It is a happy number.

1343145312 is a `hidden beast` number, since 1 + 34 + 314 + 5 + 312 = 666.

It is an interprime number because it is at equal distance from previous prime (1343145311) and next prime (1343145313).

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-4 number, since 4×1343145312⁴ (a number of 38 digits) contains 4444 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1343145311) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2331562 + ... + 2332137.

It is an arithmetic number, because the mean of its divisors is an integer number (106099175).

Almost surely, 2^1343145312 is an apocalyptic number.

1343145312 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1343145312 is an abundant number, since it is smaller than the sum of its proper divisors (2476424988).

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

1343145312 is a wasteful number, since it uses less digits than its factorization.

1343145312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4663715 (or 4663704 counting only the distinct ones).

The product of its digits is 4320, while the sum is 27.

The square root of 1343145312 is about 36648.9469425794. The cubic root of 1343145312 is about 1103.3356904525.

Adding to 1343145312 its reverse (2135413431), we get a palindrome (3478558743).

The spelling of 1343145312 in words is "one billion, three hundred forty-three million, one hundred forty-five thousand, three hundred twelve".