1312334442 has 24 divisors (see below), whose sum is σ = 2844226944. Its totient is φ = 437316264.

The previous prime is 1312334407. The next prime is 1312334449. The reversal of 1312334442 is 2444332131.

1312334442 is a `hidden beast` number, since 1 + 312 + 3 + 344 + 4 + 2 = 666.

It is not an unprimeable number, because it can be changed into a prime (1312334449) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 67783 + ... + 84965.

It is an arithmetic number, because the mean of its divisors is an integer number (118509456).

Almost surely, 2^1312334442 is an apocalyptic number.

1312334442 is an abundant number, since it is smaller than the sum of its proper divisors (1531892502).

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

1312334442 is a wasteful number, since it uses less digits than its factorization.

1312334442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21434 (or 21431 counting only the distinct ones).

The product of its digits is 6912, while the sum is 27.

The square root of 1312334442 is about 36226.1568759370. The cubic root of 1312334442 is about 1094.8337471994.

Adding to 1312334442 its reverse (2444332131), we get a palindrome (3756666573).

The spelling of 1312334442 in words is "one billion, three hundred twelve million, three hundred thirty-four thousand, four hundred forty-two".