1311402103 has 8 divisors (see below), whose sum is σ = 1433362176. Its totient is φ = 1189899000.

The previous prime is 1311402091. The next prime is 1311402119. The reversal of 1311402103 is 3012041131.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1311402103 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1311405103) 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, 108223 + ... + 119728.

It is an arithmetic number, because the mean of its divisors is an integer number (179170272).

Almost surely, 2^1311402103 is an apocalyptic number.

1311402103 is a deficient number, since it is larger than the sum of its proper divisors (121960073).

1311402103 is a wasteful number, since it uses less digits than its factorization.

1311402103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 228485.

The product of its (nonzero) digits is 72, while the sum is 16.

The square root of 1311402103 is about 36213.2862772767. The cubic root of 1311402103 is about 1094.5744134011.

Adding to 1311402103 its reverse (3012041131), we get a palindrome (4323443234).

The spelling of 1311402103 in words is "one billion, three hundred eleven million, four hundred two thousand, one hundred three".