1313821122 has 16 divisors (see below), whose sum is σ = 2628702912. Its totient is φ = 437763600.

The previous prime is 1313821121. The next prime is 1313821151. The reversal of 1313821122 is 2211283131.

It is a super-2 number, since 2×1313821122² = 3452251881226677768, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1313821092 and 1313821101.

It is not an unprimeable number, because it can be changed into a prime (1313821121) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27613 + ... + 58224.

It is an arithmetic number, because the mean of its divisors is an integer number (164293932).

Almost surely, 2^1313821122 is an apocalyptic number.

1313821122 is an abundant number, since it is smaller than the sum of its proper divisors (1314881790).

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

1313821122 is a wasteful number, since it uses less digits than its factorization.

1313821122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88393.

The product of its digits is 576, while the sum is 24.

The square root of 1313821122 is about 36246.6704953710. The cubic root of 1313821122 is about 1095.2470191862.

The spelling of 1313821122 in words is "one billion, three hundred thirteen million, eight hundred twenty-one thousand, one hundred twenty-two".