1223211102313 has 8 divisors (see below), whose sum is σ = 1235765314440. Its totient is φ = 1210665580800.

The previous prime is 1223211102271. The next prime is 1223211102331. The reversal of 1223211102313 is 3132011123221.

It can be written as a sum of positive squares in 4 ways, for example, as 151545146944 + 1071665955369 = 389288^2 + 1035213^2 .

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-1223211102313 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1223211102013) 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, 1889520 + ... + 2452897.

It is an arithmetic number, because the mean of its divisors is an integer number (154470664305).

Almost surely, 2^{1223211102313} is an apocalyptic number.

It is an amenable number.

1223211102313 is a deficient number, since it is larger than the sum of its proper divisors (12554212127).

1223211102313 is a wasteful number, since it uses less digits than its factorization.

1223211102313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4345307.

The product of its (nonzero) digits is 432, while the sum is 22.

Adding to 1223211102313 its reverse (3132011123221), we get a palindrome (4355222225534).

The spelling of 1223211102313 in words is "one trillion, two hundred twenty-three billion, two hundred eleven million, one hundred two thousand, three hundred thirteen".