1313031434 has 96 divisors (see below), whose sum is σ = 2465334144. Its totient is φ = 516821760.

The previous prime is 1313031407. The next prime is 1313031439. The reversal of 1313031434 is 4341303131.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1313031439) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 12747827 + ... + 12747929.

It is an arithmetic number, because the mean of its divisors is an integer number (25680564).

Almost surely, 2^1313031434 is an apocalyptic number.

1313031434 is a deficient number, since it is larger than the sum of its proper divisors (1152302710).

1313031434 is a wasteful number, since it uses less digits than its factorization.

1313031434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 240 (or 211 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 23.

The square root of 1313031434 is about 36235.7756091959. The cubic root of 1313031434 is about 1095.0275380716.

Adding to 1313031434 its reverse (4341303131), we get a palindrome (5654334565).

The spelling of 1313031434 in words is "one billion, three hundred thirteen million, thirty-one thousand, four hundred thirty-four".