111212302313 has 16 divisors (see below), whose sum is σ = 131234804736. Its totient is φ = 92225200320.

The previous prime is 111212302283. The next prime is 111212302319. The reversal of 111212302313 is 313203212111.

It is a happy number.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-111212302313 is a prime.

It is not an unprimeable number, because it can be changed into a prime (111212302319) 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, 769595 + ... + 902607.

It is an arithmetic number, because the mean of its divisors is an integer number (8202175296).

Almost surely, 2^111212302313 is an apocalyptic number.

It is an amenable number.

111212302313 is a deficient number, since it is larger than the sum of its proper divisors (20022502423).

111212302313 is a wasteful number, since it uses less digits than its factorization.

111212302313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 136904.

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 111212302313 its reverse (313203212111), we get a palindrome (424415514424).

The spelling of 111212302313 in words is "one hundred eleven billion, two hundred twelve million, three hundred two thousand, three hundred thirteen".