1311608374 has 8 divisors (see below), whose sum is σ = 1994363640. Its totient is φ = 646820496.

The previous prime is 1311608371. The next prime is 1311608377. The reversal of 1311608374 is 4738061131.

It is an interprime number because it is at equal distance from previous prime (1311608371) and next prime (1311608377).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1311608371) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4491664 + ... + 4491955.

It is an arithmetic number, because the mean of its divisors is an integer number (249295455).

Almost surely, 2^1311608374 is an apocalyptic number.

1311608374 is a deficient number, since it is larger than the sum of its proper divisors (682755266).

1311608374 is an equidigital number, since it uses as much as digits as its factorization.

1311608374 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8983694.

The product of its (nonzero) digits is 12096, while the sum is 34.

The square root of 1311608374 is about 36216.1341669704. The cubic root of 1311608374 is about 1094.6317990857.

The spelling of 1311608374 in words is "one billion, three hundred eleven million, six hundred eight thousand, three hundred seventy-four".