1313332430 has 24 divisors (see below), whose sum is σ = 2471259672. Its totient is φ = 502490384.

The previous prime is 1313332429. The next prime is 1313332439. The reversal of 1313332430 is 342333131.

1313332430 = 201² + 202² + ... + 1580².

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a junction number, because it is equal to n+sod(n) for n = 1313332396 and 1313332405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1313332439) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 118844 + ... + 129423.

It is an arithmetic number, because the mean of its divisors is an integer number (102969153).

Almost surely, 2^1313332430 is an apocalyptic number.

1313332430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1313332430 is a deficient number, since it is larger than the sum of its proper divisors (1157927242).

1313332430 is a wasteful number, since it uses less digits than its factorization.

1313332430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 248320 (or 248297 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 23.

The square root of 1313332430 is about 36239.9286699077. The cubic root of 1313332430 is about 1095.1112054584. Note that the first 3 decimals are identical.

Adding to 1313332430 its reverse (342333131), we get a palindrome (1655665561).

The spelling of 1313332430 in words is "one billion, three hundred thirteen million, three hundred thirty-two thousand, four hundred thirty".