31404101311 has 16 divisors (see below), whose sum is σ = 34515216288. Its totient is φ = 28336089600.

The previous prime is 31404101297. The next prime is 31404101321. The reversal of 31404101311 is 11310140413.

It is a cyclic number.

It is not a de Polignac number, because 31404101311 - 2¹¹ = 31404099263 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31404101321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1636291 + ... + 1655371.

It is an arithmetic number, because the mean of its divisors is an integer number (2157201018).

Almost surely, 2^31404101311 is an apocalyptic number.

31404101311 is a deficient number, since it is larger than the sum of its proper divisors (3111114977).

31404101311 is a wasteful number, since it uses less digits than its factorization.

31404101311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20202.

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

Adding to 31404101311 its reverse (11310140413), we get a palindrome (42714241724).

The spelling of 31404101311 in words is "thirty-one billion, four hundred four million, one hundred one thousand, three hundred eleven".