1214122313 has 4 divisors (see below), whose sum is σ = 1226143428. Its totient is φ = 1202101200.

The previous prime is 1214122309. The next prime is 1214122339. The reversal of 1214122313 is 3132214121.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3132214121 = 101 ⋅31012021.

It can be written as a sum of positive squares in 2 ways, for example, as 958026304 + 256096009 = 30952^2 + 16003^2 .

It is a cyclic number.

It is not a de Polignac number, because 1214122313 - 2² = 1214122309 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1214122373) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6010406 + ... + 6010607.

It is an arithmetic number, because the mean of its divisors is an integer number (306535857).

Almost surely, 2^1214122313 is an apocalyptic number.

It is an amenable number.

1214122313 is a deficient number, since it is larger than the sum of its proper divisors (12021115).

1214122313 is a wasteful number, since it uses less digits than its factorization.

1214122313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12021114.

The product of its digits is 288, while the sum is 20.

The square root of 1214122313 is about 34844.2579631135. The cubic root of 1214122313 is about 1066.8109879701.

Adding to 1214122313 its reverse (3132214121), we get a palindrome (4346336434).

The spelling of 1214122313 in words is "one billion, two hundred fourteen million, one hundred twenty-two thousand, three hundred thirteen".