1311241462 has 4 divisors (see below), whose sum is σ = 1966862196. Its totient is φ = 655620730.

The previous prime is 1311241457. The next prime is 1311241469. The reversal of 1311241462 is 2641421131.

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 (1311241469) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 327810364 + ... + 327810367.

It is an arithmetic number, because the mean of its divisors is an integer number (491715549).

Almost surely, 2^1311241462 is an apocalyptic number.

1311241462 is a deficient number, since it is larger than the sum of its proper divisors (655620734).

1311241462 is an equidigital number, since it uses as much as digits as its factorization.

1311241462 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 655620733.

The product of its digits is 1152, while the sum is 25.

The square root of 1311241462 is about 36211.0682250607. The cubic root of 1311241462 is about 1094.5297180561.

Adding to 1311241462 its reverse (2641421131), we get a palindrome (3952662593).

The spelling of 1311241462 in words is "one billion, three hundred eleven million, two hundred forty-one thousand, four hundred sixty-two".