11312343401 has 2 divisors, whose sum is σ = 11312343402. Its totient is φ = 11312343400.

The previous prime is 11312343397. The next prime is 11312343421. The reversal of 11312343401 is 10434321311.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6373627225 + 4938716176 = 79835^2 + 70276^2 .

It is a cyclic number.

It is not a de Polignac number, because 11312343401 - 2² = 11312343397 is a prime.

It is a super-2 number, since 2×11312343401² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (11312343421) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5656171700 + 5656171701.

It is an arithmetic number, because the mean of its divisors is an integer number (5656171701).

Almost surely, 2^11312343401 is an apocalyptic number.

It is an amenable number.

11312343401 is a deficient number, since it is larger than the sum of its proper divisors (1).

11312343401 is an equidigital number, since it uses as much as digits as its factorization.

11312343401 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 864, while the sum is 23.

Adding to 11312343401 its reverse (10434321311), we get a palindrome (21746664712).

The spelling of 11312343401 in words is "eleven billion, three hundred twelve million, three hundred forty-three thousand, four hundred one".