31233423101 has 8 divisors (see below), whose sum is σ = 31329677400. Its totient is φ = 31137208128.

The previous prime is 31233423083. The next prime is 31233423107. The reversal of 31233423101 is 10132433213.

It can be written as a sum of positive squares in 4 ways, for example, as 13737012025 + 17496411076 = 117205^2 + 132274^2 .

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 31233423101 - 2⁶ = 31233423037 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 (31233423107) 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, 2687435 + ... + 2699031.

It is an arithmetic number, because the mean of its divisors is an integer number (3916209675).

Almost surely, 2^31233423101 is an apocalyptic number.

It is an amenable number.

31233423101 is a deficient number, since it is larger than the sum of its proper divisors (96254299).

31233423101 is a wasteful number, since it uses less digits than its factorization.

31233423101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19663.

The product of its (nonzero) digits is 1296, while the sum is 23.

Adding to 31233423101 its reverse (10132433213), we get a palindrome (41365856314).

The spelling of 31233423101 in words is "thirty-one billion, two hundred thirty-three million, four hundred twenty-three thousand, one hundred one".