1313120022 has 16 divisors (see below), whose sum is σ = 2632512960. Its totient is φ = 436661192.

The previous prime is 1313119999. The next prime is 1313120023. The reversal of 1313120022 is 2200213131.

It is a junction number, because it is equal to n+sod(n) for n = 1313119983 and 1313120010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1313120023) 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, 258648 + ... + 263675.

It is an arithmetic number, because the mean of its divisors is an integer number (164532060).

Almost surely, 2^1313120022 is an apocalyptic number.

1313120022 is an abundant number, since it is smaller than the sum of its proper divisors (1319392938).

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

1313120022 is a wasteful number, since it uses less digits than its factorization.

1313120022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 522747.

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 1313120022 is about 36236.9979716863. The cubic root of 1313120022 is about 1095.0521640669.

Adding to 1313120022 its reverse (2200213131), we get a palindrome (3513333153).

It can be divided in two parts, 13131 and 20022, that added together give a triangular number (33153 = T₂₅₇).

The spelling of 1313120022 in words is "one billion, three hundred thirteen million, one hundred twenty thousand, twenty-two".