1311400113 has 8 divisors (see below), whose sum is σ = 1749290400. Its totient is φ = 873888288.

The previous prime is 1311400109. The next prime is 1311400117. The reversal of 1311400113 is 3110041131.

It is an interprime number because it is at equal distance from previous prime (1311400109) and next prime (1311400117).

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

It is not a de Polignac number, because 1311400113 - 2² = 1311400109 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1311400092 and 1311400101.

It is not an unprimeable number, because it can be changed into a prime (1311400117) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 86428 + ... + 100461.

It is an arithmetic number, because the mean of its divisors is an integer number (218661300).

Almost surely, 2^1311400113 is an apocalyptic number.

It is an amenable number.

1311400113 is a deficient number, since it is larger than the sum of its proper divisors (437890287).

1311400113 is a wasteful number, since it uses less digits than its factorization.

1311400113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 189231.

The product of its (nonzero) digits is 36, while the sum is 15.

The square root of 1311400113 is about 36213.2588011629. The cubic root of 1311400113 is about 1094.5738597433.

Adding to 1311400113 its reverse (3110041131), we get a palindrome (4421441244).

The spelling of 1311400113 in words is "one billion, three hundred eleven million, four hundred thousand, one hundred thirteen".