31112300331311 has 8 divisors (see below), whose sum is σ = 33584492112480. Its totient is φ = 28733398806112.

The previous prime is 31112300331293. The next prime is 31112300331331. The reversal of 31112300331311 is 11313300321113.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 31112300331311 - 2¹⁸ = 31112300069167 is a prime.

It is a super-3 number, since 3×31112300331311³ (a number of 41 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31112300331331) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23322563300 + ... + 23322564633.

It is an arithmetic number, because the mean of its divisors is an integer number (4198061514060).

Almost surely, 2^{31112300331311} is an apocalyptic number.

31112300331311 is a deficient number, since it is larger than the sum of its proper divisors (2472191781169).

31112300331311 is a wasteful number, since it uses less digits than its factorization.

31112300331311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46645127985.

The product of its (nonzero) digits is 486, while the sum is 23.

Adding to 31112300331311 its reverse (11313300321113), we get a palindrome (42425600652424).

The spelling of 31112300331311 in words is "thirty-one trillion, one hundred twelve billion, three hundred million, three hundred thirty-one thousand, three hundred eleven".