1361304111 has 16 divisors (see below), whose sum is σ = 1883360864. Its totient is φ = 873897984.

The previous prime is 1361304103. The next prime is 1361304137. The reversal of 1361304111 is 1114031631.

1361304111 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 1361304111 - 2³ = 1361304103 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 (1361304211) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 52450 + ... + 73983.

It is an arithmetic number, because the mean of its divisors is an integer number (117710054).

Almost surely, 2^1361304111 is an apocalyptic number.

1361304111 is a deficient number, since it is larger than the sum of its proper divisors (522056753).

1361304111 is a wasteful number, since it uses less digits than its factorization.

1361304111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 126570.

The product of its (nonzero) digits is 216, while the sum is 21.

The square root of 1361304111 is about 36895.8549297885. The cubic root of 1361304111 is about 1108.2856720053.

Adding to 1361304111 its reverse (1114031631), we get a palindrome (2475335742).

The spelling of 1361304111 in words is "one billion, three hundred sixty-one million, three hundred four thousand, one hundred eleven".