1313200434 has 64 divisors (see below), whose sum is σ = 3244872960. Its totient is φ = 345012480.

The previous prime is 1313200373. The next prime is 1313200477. The reversal of 1313200434 is 4340023131.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a self number, because there is not a number n which added to its sum of digits gives 1313200434.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 142404 + ... + 151344.

It is an arithmetic number, because the mean of its divisors is an integer number (50701140).

Almost surely, 2^1313200434 is an apocalyptic number.

1313200434 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1313200434, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1622436480).

1313200434 is an abundant number, since it is smaller than the sum of its proper divisors (1931672526).

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

1313200434 is a wasteful number, since it uses less digits than its factorization.

1313200434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9235.

The product of its (nonzero) digits is 864, while the sum is 21.

The square root of 1313200434 is about 36238.1074836973. The cubic root of 1313200434 is about 1095.0745163109.

Adding to 1313200434 its reverse (4340023131), we get a palindrome (5653223565).

The spelling of 1313200434 in words is "one billion, three hundred thirteen million, two hundred thousand, four hundred thirty-four".