1311224214 has 16 divisors (see below), whose sum is σ = 2638153728. Its totient is φ = 434457192.

The previous prime is 1311224179. The next prime is 1311224249. The reversal of 1311224214 is 4124221131.

It is an interprime number because it is at equal distance from previous prime (1311224179) and next prime (1311224249).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 653302 + ... + 655305.

It is an arithmetic number, because the mean of its divisors is an integer number (164884608).

Almost surely, 2^1311224214 is an apocalyptic number.

1311224214 is an abundant number, since it is smaller than the sum of its proper divisors (1326929514).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1311224214 is a wasteful number, since it uses less digits than its factorization.

1311224214 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1308779.

The product of its digits is 384, while the sum is 21.

The square root of 1311224214 is about 36210.8300650510. The cubic root of 1311224214 is about 1094.5249189066.

Adding to 1311224214 its reverse (4124221131), we get a palindrome (5435445345).

The spelling of 1311224214 in words is "one billion, three hundred eleven million, two hundred twenty-four thousand, two hundred fourteen".