312000011311 has 16 divisors (see below), whose sum is σ = 321676466688. Its totient is φ = 302453827200.

The previous prime is 312000011287. The next prime is 312000011333. The reversal of 312000011311 is 113110000213.

It is a cyclic number.

It is not a de Polignac number, because 312000011311 - 2⁹ = 312000010799 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 312000011291 and 312000011300.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (312000011341) 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, 8111956 + ... + 8150326.

It is an arithmetic number, because the mean of its divisors is an integer number (20104779168).

Almost surely, 2^312000011311 is an apocalyptic number.

312000011311 is a deficient number, since it is larger than the sum of its proper divisors (9676455377).

312000011311 is a wasteful number, since it uses less digits than its factorization.

312000011311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40062.

The product of its (nonzero) digits is 18, while the sum is 13.

Adding to 312000011311 its reverse (113110000213), we get a palindrome (425110011524).

The spelling of 312000011311 in words is "three hundred twelve billion, eleven thousand, three hundred eleven".