311012041213 has 16 divisors (see below), whose sum is σ = 320716376640. Its totient is φ = 301455696256.

The previous prime is 311012041183. The next prime is 311012041259. The reversal of 311012041213 is 312140210113.

It is a cyclic number.

It is not a de Polignac number, because 311012041213 - 2¹⁷ = 311011910141 is a prime.

It is a super-2 number, since 2×311012041213² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (311012741213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5571306 + ... + 5626852.

It is an arithmetic number, because the mean of its divisors is an integer number (20044773540).

Almost surely, 2^311012041213 is an apocalyptic number.

It is an amenable number.

311012041213 is a deficient number, since it is larger than the sum of its proper divisors (9704335427).

311012041213 is a wasteful number, since it uses less digits than its factorization.

311012041213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56876.

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 311012041213 its reverse (312140210113), we get a palindrome (623152251326).

The spelling of 311012041213 in words is "three hundred eleven billion, twelve million, forty-one thousand, two hundred thirteen".