1313020430 has 16 divisors (see below), whose sum is σ = 2368379520. Its totient is φ = 524109792.

The previous prime is 1313020427. The next prime is 1313020439. The reversal of 1313020430 is 340203131.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 1313020399 and 1313020408.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1313020439) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 132269 + ... + 141848.

It is an arithmetic number, because the mean of its divisors is an integer number (148023720).

Almost surely, 2^1313020430 is an apocalyptic number.

1313020430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1313020430 is a deficient number, since it is larger than the sum of its proper divisors (1055359090).

1313020430 is a wasteful number, since it uses less digits than its factorization.

1313020430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 274603.

The product of its (nonzero) digits is 216, while the sum is 17.

The square root of 1313020430 is about 36235.6237699864. The cubic root of 1313020430 is about 1095.0244790647.

Adding to 1313020430 its reverse (340203131), we get a palindrome (1653223561).

The spelling of 1313020430 in words is "one billion, three hundred thirteen million, twenty thousand, four hundred thirty".