1213313001300 has 54 divisors (see below), whose sum is σ = 3803062199118. Its totient is φ = 323550133440.

The previous prime is 1213313001269. The next prime is 1213313001311. The reversal of 1213313001300 is 31003133121.

It is a happy number.

1213313001300 is a `hidden beast` number, since 1 + 2 + 1 + 331 + 30 + 0 + 1 + 300 = 666.

It can be written as a sum of positive squares in 3 ways, for example, as 313550721936 + 899762279364 = 559956^2 + 948558^2 .

It is a super-2 number, since 2×1213313001300² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 674061879 + ... + 674063678.

Almost surely, 2^{1213313001300} is an apocalyptic number.

1213313001300 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1213313001300 is an abundant number, since it is smaller than the sum of its proper divisors (2589749197818).

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

1213313001300 is a wasteful number, since it uses less digits than its factorization.

1213313001300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1348125577 (or 1348125567 counting only the distinct ones).

The product of its (nonzero) digits is 162, while the sum is 18.

Adding to 1213313001300 its reverse (31003133121), we get a palindrome (1244316134421).

The spelling of 1213313001300 in words is "one trillion, two hundred thirteen billion, three hundred thirteen million, one thousand, three hundred".