31234342311 has 16 divisors (see below), whose sum is σ = 46287174400. Its totient is φ = 20816561304.

The previous prime is 31234342297. The next prime is 31234342351. The reversal of 31234342311 is 11324343213.

It is a happy number.

31234342311 is a `hidden beast` number, since 3 + 1 + 2 + 3 + 4 + 342 + 311 = 666.

It is not a de Polignac number, because 31234342311 - 2¹⁰ = 31234341287 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31234342351) 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, 84661 + ... + 263886.

It is an arithmetic number, because the mean of its divisors is an integer number (2892948400).

Almost surely, 2^31234342311 is an apocalyptic number.

31234342311 is a deficient number, since it is larger than the sum of its proper divisors (15052832089).

31234342311 is a wasteful number, since it uses less digits than its factorization.

31234342311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 351875 (or 351869 counting only the distinct ones).

The product of its digits is 5184, while the sum is 27.

Adding to 31234342311 its reverse (11324343213), we get a palindrome (42558685524).

It can be divided in two parts, 3123 and 4342311, that added together give a palindrome (4345434).

The spelling of 31234342311 in words is "thirty-one billion, two hundred thirty-four million, three hundred forty-two thousand, three hundred eleven".