1001311323210 has 48 divisors (see below), whose sum is σ = 2840083028640. Its totient is φ = 242742138720.

The previous prime is 1001311323209. The next prime is 1001311323217. The reversal of 1001311323210 is 123231131001.

1001311323210 is a `hidden beast` number, since 1 + 0 + 0 + 1 + 311 + 32 + 321 + 0 = 666.

It is a super-2 number, since 2×1001311323210² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (1001311323217) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 505711800 + ... + 505713779.

It is an arithmetic number, because the mean of its divisors is an integer number (59168396430).

Almost surely, 2^{1001311323210} is an apocalyptic number.

1001311323210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1001311323210 is an abundant number, since it is smaller than the sum of its proper divisors (1838771705430).

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

1001311323210 is a wasteful number, since it uses less digits than its factorization.

1001311323210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1011425603 (or 1011425600 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

Adding to 1001311323210 its reverse (123231131001), we get a palindrome (1124542454211).

The spelling of 1001311323210 in words is "one trillion, one billion, three hundred eleven million, three hundred twenty-three thousand, two hundred ten".