1313213130 has 24 divisors (see below), whose sum is σ = 3414354372. Its totient is φ = 350190144.

The previous prime is 1313213123. The next prime is 1313213159. The reversal of 1313213130 is 313123131.

It is a happy number.

1313213130 is a `hidden beast` number, since 1 + 31 + 321 + 313 + 0 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 1208744289 + 104468841 = 34767^2 + 10221^2 .

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7295539 + ... + 7295718.

Almost surely, 2^1313213130 is an apocalyptic number.

1313213130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1313213130 is an abundant number, since it is smaller than the sum of its proper divisors (2101141242).

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

1313213130 is a wasteful number, since it uses less digits than its factorization.

1313213130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14591270 (or 14591267 counting only the distinct ones).

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

The square root of 1313213130 is about 36238.2826579848. The cubic root of 1313213130 is about 1095.0780453536.

Adding to 1313213130 its reverse (313123131), we get a palindrome (1626336261).

It can be divided in two parts, 13132 and 13130, that added together give a palindrome (26262).

The spelling of 1313213130 in words is "one billion, three hundred thirteen million, two hundred thirteen thousand, one hundred thirty".