11321201310 has 32 divisors (see below), whose sum is σ = 27327952800. Its totient is φ = 3001534848.

The previous prime is 11321201303. The next prime is 11321201317. The reversal of 11321201310 is 1310212311.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (11321201303) and next prime (11321201317).

It is a super-2 number, since 2×11321201310² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 11321201310.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11321201317) 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, 1085485 + ... + 1095864.

It is an arithmetic number, because the mean of its divisors is an integer number (853998525).

Almost surely, 2^11321201310 is an apocalyptic number.

11321201310 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11321201310 is an abundant number, since it is smaller than the sum of its proper divisors (16006751490).

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

11321201310 is a wasteful number, since it uses less digits than its factorization.

11321201310 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2181532.

The product of its (nonzero) digits is 36, while the sum is 15.

Adding to 11321201310 its reverse (1310212311), we get a palindrome (12631413621).

The spelling of 11321201310 in words is "eleven billion, three hundred twenty-one million, two hundred one thousand, three hundred ten".