1310001203 has 16 divisors (see below), whose sum is σ = 1518396096. Its totient is φ = 1107025920.

The previous prime is 1310001167. The next prime is 1310001211. The reversal of 1310001203 is 3021000131.

It is not a de Polignac number, because 1310001203 - 2³⁰ = 236259379 is a prime.

It is a super-2 number, since 2×1310001203² = 3432206303722894418, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1310001223) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 148373 + ... + 156953.

It is an arithmetic number, because the mean of its divisors is an integer number (94899756).

Almost surely, 2^1310001203 is an apocalyptic number.

1310001203 is a deficient number, since it is larger than the sum of its proper divisors (208394893).

1310001203 is a wasteful number, since it uses less digits than its factorization.

1310001203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8894.

The product of its (nonzero) digits is 18, while the sum is 11.

The square root of 1310001203 is about 36193.9387605162. The cubic root of 1310001203 is about 1094.1845163007.

Adding to 1310001203 its reverse (3021000131), we get a palindrome (4331001334).

The spelling of 1310001203 in words is "one billion, three hundred ten million, one thousand, two hundred three".