31323234441 has 16 divisors (see below), whose sum is σ = 41946480576. Its totient is φ = 20791208256.

The previous prime is 31323234403. The next prime is 31323234443. The reversal of 31323234441 is 14443232313.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2^k-31323234441 is a prime.

It is a super-2 number, since 2×31323234441² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 31323234399 and 31323234408.

It is not an unprimeable number, because it can be changed into a prime (31323234443) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 944446 + ... + 977048.

It is an arithmetic number, because the mean of its divisors is an integer number (2621655036).

Almost surely, 2^31323234441 is an apocalyptic number.

It is an amenable number.

31323234441 is a deficient number, since it is larger than the sum of its proper divisors (10623246135).

31323234441 is a wasteful number, since it uses less digits than its factorization.

31323234441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33992.

The product of its digits is 20736, while the sum is 30.

Adding to 31323234441 its reverse (14443232313), we get a palindrome (45766466754).

The spelling of 31323234441 in words is "thirty-one billion, three hundred twenty-three million, two hundred thirty-four thousand, four hundred forty-one".