1313273462 has 4 divisors (see below), whose sum is σ = 1969910196. Its totient is φ = 656636730.

The previous prime is 1313273461. The next prime is 1313273503. The reversal of 1313273462 is 2643723131.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1313273461) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 328318364 + ... + 328318367.

It is an arithmetic number, because the mean of its divisors is an integer number (492477549).

Almost surely, 2^1313273462 is an apocalyptic number.

1313273462 is a deficient number, since it is larger than the sum of its proper divisors (656636734).

1313273462 is an equidigital number, since it uses as much as digits as its factorization.

1313273462 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 656636733.

The product of its digits is 18144, while the sum is 32.

The square root of 1313273462 is about 36239.1150830149. The cubic root of 1313273462 is about 1095.0948152227.

Adding to 1313273462 its reverse (2643723131), we get a palindrome (3956996593).

The spelling of 1313273462 in words is "one billion, three hundred thirteen million, two hundred seventy-three thousand, four hundred sixty-two".