1310001200 has 30 divisors (see below), whose sum is σ = 3147278844. Its totient is φ = 524000320.

The previous prime is 1310001167. The next prime is 1310001211. The reversal of 1310001200 is 21000131.

It is a super-2 number, since 2×1310001200² = 3432206288002880000, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (8).

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1637102 + ... + 1637901.

Almost surely, 2^1310001200 is an apocalyptic number.

1310001200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1310001200 is an abundant number, since it is smaller than the sum of its proper divisors (1837277644).

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

1310001200 is a wasteful number, since it uses less digits than its factorization.

1310001200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3275021 (or 3275010 counting only the distinct ones).

The product of its (nonzero) digits is 6, while the sum is 8.

The square root of 1310001200 is about 36193.9387190728. The cubic root of 1310001200 is about 1094.1845154655.

Adding to 1310001200 its reverse (21000131), we get a palindrome (1331001331).

The spelling of 1310001200 in words is "one billion, three hundred ten million, one thousand, two hundred".