1310203868 has 12 divisors (see below), whose sum is σ = 2293516680. Its totient is φ = 654913392.

The previous prime is 1310203849. The next prime is 1310203877. The reversal of 1310203868 is 8683020131.

It is a happy number.

It is a super-2 number, since 2×1310203868² = 3433268351444322848, which contains 22 as substring.

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, 30878 + ... + 59781.

It is an arithmetic number, because the mean of its divisors is an integer number (191126390).

Almost surely, 2^1310203868 is an apocalyptic number.

It is an amenable number.

1310203868 is a deficient number, since it is larger than the sum of its proper divisors (983312812).

1310203868 is a wasteful number, since it uses less digits than its factorization.

1310203868 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94276 (or 94274 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 32.

The square root of 1310203868 is about 36196.7383613496. The cubic root of 1310203868 is about 1094.2409390149.

Adding to 1310203868 its reverse (8683020131), we get a palindrome (9993223999).

The spelling of 1310203868 in words is "one billion, three hundred ten million, two hundred three thousand, eight hundred sixty-eight".