1213101313333 has 32 divisors (see below), whose sum is σ = 1513671183360. Its totient is φ = 946586234880.

The previous prime is 1213101313321. The next prime is 1213101313337. The reversal of 1213101313333 is 3333131013121.

It is not a de Polignac number, because 1213101313333 - 2⁹ = 1213101312821 is a prime.

It is a super-2 number, since 2×1213101313333² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1213101313298 and 1213101313307.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1213101313337) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6237741 + ... + 6429277.

It is an arithmetic number, because the mean of its divisors is an integer number (47302224480).

Almost surely, 2^{1213101313333} is an apocalyptic number.

1213101313333 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

1213101313333 is a deficient number, since it is larger than the sum of its proper divisors (300569870027).

1213101313333 is a wasteful number, since it uses less digits than its factorization.

1213101313333 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 192517.

The product of its (nonzero) digits is 1458, while the sum is 25.

Adding to 1213101313333 its reverse (3333131013121), we get a palindrome (4546232326454).

The spelling of 1213101313333 in words is "one trillion, two hundred thirteen billion, one hundred one million, three hundred thirteen thousand, three hundred thirty-three".