1343222313021 has 6 divisors (see below), whose sum is σ = 1940210007710. Its totient is φ = 895481542008.

The previous prime is 1343222313007. The next prime is 1343222313053. The reversal of 1343222313021 is 1203132223431.

1343222313021 is a `hidden beast` number, since 1 + 3 + 4 + 322 + 2 + 31 + 302 + 1 = 666.

It can be written as a sum of positive squares in only one way, i.e., 1334510144100 + 8712168921 = 1155210^2 + 93339^2 .

It is not a de Polignac number, because 1343222313021 - 2¹⁷ = 1343222181949 is a prime.

It is a super-2 number, since 2×1343222313021² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1343222313001) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 74623461826 + ... + 74623461843.

Almost surely, 2^{1343222313021} is an apocalyptic number.

It is an amenable number.

1343222313021 is a deficient number, since it is larger than the sum of its proper divisors (596987694689).

1343222313021 is a wasteful number, since it uses less digits than its factorization.

1343222313021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 149246923675 (or 149246923672 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 27.

Adding to 1343222313021 its reverse (1203132223431), we get a palindrome (2546354536452).

The spelling of 1343222313021 in words is "one trillion, three hundred forty-three billion, two hundred twenty-two million, three hundred thirteen thousand, twenty-one".