1310312404 has 12 divisors (see below), whose sum is σ = 2304687924. Its totient is φ = 651830144.

The previous prime is 1310312359. The next prime is 1310312429. The reversal of 1310312404 is 4042130131.

It can be written as a sum of positive squares in 2 ways, for example, as 873084304 + 437228100 = 29548^2 + 20910^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 830629 + ... + 832204.

It is an arithmetic number, because the mean of its divisors is an integer number (192057327).

Almost surely, 2^1310312404 is an apocalyptic number.

It is an amenable number.

1310312404 is a deficient number, since it is larger than the sum of its proper divisors (994375520).

1310312404 is a wasteful number, since it uses less digits than its factorization.

1310312404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1663034 (or 1663032 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 1310312404 is about 36198.2375814072. The cubic root of 1310312404 is about 1094.2711534617.

Adding to 1310312404 its reverse (4042130131), we get a palindrome (5352442535).

The spelling of 1310312404 in words is "one billion, three hundred ten million, three hundred twelve thousand, four hundred four".