1313031234 has 16 divisors (see below), whose sum is σ = 2628180000. Its totient is φ = 437324160.

The previous prime is 1313031197. The next prime is 1313031263. The reversal of 1313031234 is 4321303131.

It is a super-3 number, since 3×1313031234³ (a number of 28 digits) contains 333 as substring.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 1313031234.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 80112 + ... + 95099.

It is an arithmetic number, because the mean of its divisors is an integer number (164261250).

Almost surely, 2^1313031234 is an apocalyptic number.

1313031234 is an abundant number, since it is smaller than the sum of its proper divisors (1315148766).

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

1313031234 is a wasteful number, since it uses less digits than its factorization.

1313031234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 176465.

The product of its (nonzero) digits is 648, while the sum is 21.

The square root of 1313031234 is about 36235.7728494923. The cubic root of 1313031234 is about 1095.0274824736.

Adding to 1313031234 its reverse (4321303131), we get a palindrome (5634334365).

The spelling of 1313031234 in words is "one billion, three hundred thirteen million, thirty-one thousand, two hundred thirty-four".