1313423450 has 24 divisors (see below), whose sum is σ = 2571546720. Its totient is φ = 497718000.

The previous prime is 1313423411. The next prime is 1313423471. The reversal of 1313423450 is 543243131.

1313423450 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 690326 + ... + 692225.

It is an arithmetic number, because the mean of its divisors is an integer number (107147780).

Almost surely, 2^1313423450 is an apocalyptic number.

1313423450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1313423450 is a deficient number, since it is larger than the sum of its proper divisors (1258123270).

1313423450 is a wasteful number, since it uses less digits than its factorization.

1313423450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1382582 (or 1382577 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 26.

The square root of 1313423450 is about 36241.1844453241. The cubic root of 1313423450 is about 1095.1365036279.

Adding to 1313423450 its reverse (543243131), we get a palindrome (1856666581).

The spelling of 1313423450 in words is "one billion, three hundred thirteen million, four hundred twenty-three thousand, four hundred fifty".