1300311979 has 8 divisors (see below), whose sum is σ = 1345975808. Its totient is φ = 1255201920.

The previous prime is 1300311973. The next prime is 1300312003. The reversal of 1300311979 is 9791130031.

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

It is a cyclic number.

It is not a de Polignac number, because 1300311979 - 2⁷ = 1300311851 is a prime.

It is a super-2 number, since 2×1300311979² = 3381622485461792882, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1300311973) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 133662 + ... + 143059.

It is an arithmetic number, because the mean of its divisors is an integer number (168246976).

Almost surely, 2^1300311979 is an apocalyptic number.

1300311979 is a deficient number, since it is larger than the sum of its proper divisors (45663829).

1300311979 is a wasteful number, since it uses less digits than its factorization.

1300311979 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 276885.

The product of its (nonzero) digits is 5103, while the sum is 34.

The square root of 1300311979 is about 36059.8388654192. The cubic root of 1300311979 is about 1091.4801816320.

The spelling of 1300311979 in words is "one billion, three hundred million, three hundred eleven thousand, nine hundred seventy-nine".