311313001010 has 128 divisors (see below), whose sum is σ = 673095536640. Its totient is φ = 102333369600.

The previous prime is 311313000997. The next prime is 311313001061. The reversal of 311313001010 is 10100313113.

It is a happy number.

It is a super-2 number, since 2×311313001010² (a number of 24 digits) contains 22 as substring.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 20229779 + ... + 20245161.

It is an arithmetic number, because the mean of its divisors is an integer number (5258558880).

Almost surely, 2^311313001010 is an apocalyptic number.

311313001010 is an abundant number, since it is smaller than the sum of its proper divisors (361782535630).

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

311313001010 is a wasteful number, since it uses less digits than its factorization.

311313001010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15864.

The product of its (nonzero) digits is 27, while the sum is 14.

Adding to 311313001010 its reverse (10100313113), we get a palindrome (321413314123).

The spelling of 311313001010 in words is "three hundred eleven billion, three hundred thirteen million, one thousand, ten".