311300001202146 has 32 divisors (see below), whose sum is σ = 702620692372800. Its totient is φ = 91080460121280.

The previous prime is 311300001202123. The next prime is 311300001202147. The reversal of 311300001202146 is 641202100003113.

It is a happy number.

It is a super-2 number, since 2×311300001202146² (a number of 30 digits) contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (311300001202147) 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, 81321837481 + ... + 81321841308.

It is an arithmetic number, because the mean of its divisors is an integer number (21956896636650).

Almost surely, 2^{311300001202146} is an apocalyptic number.

311300001202146 is an abundant number, since it is smaller than the sum of its proper divisors (391320691170654).

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

311300001202146 is a wasteful number, since it uses less digits than its factorization.

311300001202146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 162643678834.

The product of its (nonzero) digits is 864, while the sum is 24.

Adding to 311300001202146 its reverse (641202100003113), we get a palindrome (952502101205259).

The spelling of 311300001202146 in words is "three hundred eleven trillion, three hundred billion, one million, two hundred two thousand, one hundred forty-six".