1311012010 has 96 divisors (see below), whose sum is σ = 3060642816. Its totient is φ = 395366400.

The previous prime is 1311012007. The next prime is 1311012071. The reversal of 1311012010 is 102101131.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 260074 + ... + 265066.

It is an arithmetic number, because the mean of its divisors is an integer number (31881696).

Almost surely, 2^1311012010 is an apocalyptic number.

1311012010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1311012010 is an abundant number, since it is smaller than the sum of its proper divisors (1749630806).

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

1311012010 is a wasteful number, since it uses less digits than its factorization.

1311012010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5060 (or 5049 counting only the distinct ones).

The product of its (nonzero) digits is 6, while the sum is 10.

The square root of 1311012010 is about 36207.8998286286. The cubic root of 1311012010 is about 1094.4658710097.

Adding to 1311012010 its reverse (102101131), we get a palindrome (1413113141).

The spelling of 1311012010 in words is "one billion, three hundred eleven million, twelve thousand, ten".