1313211323300 has 72 divisors (see below), whose sum is σ = 3030246817416. Its totient is φ = 492263464960.

The previous prime is 1313211323287. The next prime is 1313211323309. The reversal of 1313211323300 is 33231123131.

It can be written as a sum of positive squares in 12 ways, for example, as 850190955364 + 463020367936 = 922058^2 + 680456^2 .

It is not an unprimeable number, because it can be changed into a prime (1313211323309) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1261577 + ... + 2053776.

It is an arithmetic number, because the mean of its divisors is an integer number (42086761353).

Almost surely, 2^{1313211323300} is an apocalyptic number.

1313211323300 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1313211323300 is an abundant number, since it is smaller than the sum of its proper divisors (1717035494116).

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

1313211323300 is a wasteful number, since it uses less digits than its factorization.

1313211323300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3315617 (or 3315610 counting only the distinct ones).

The product of its (nonzero) digits is 972, while the sum is 23.

Adding to 1313211323300 its reverse (33231123131), we get a palindrome (1346442446431).

The spelling of 1313211323300 in words is "one trillion, three hundred thirteen billion, two hundred eleven million, three hundred twenty-three thousand, three hundred".