31233122123101 has 16 divisors (see below), whose sum is σ = 31909807039680. Its totient is φ = 30561574590720.

The previous prime is 31233122123057. The next prime is 31233122123107. The reversal of 31233122123101 is 10132122133213.

It is a cyclic number.

It is not a de Polignac number, because 31233122123101 - 2⁹ = 31233122122589 is a prime.

It is a super-2 number, since 2×31233122123101² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31233122123107) 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, 14989066 + ... + 16945156.

It is an arithmetic number, because the mean of its divisors is an integer number (1994362939980).

Almost surely, 2^{31233122123101} is an apocalyptic number.

It is an amenable number.

31233122123101 is a deficient number, since it is larger than the sum of its proper divisors (676684916579).

31233122123101 is a wasteful number, since it uses less digits than its factorization.

31233122123101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1957404.

The product of its (nonzero) digits is 1296, while the sum is 25.

Adding to 31233122123101 its reverse (10132122133213), we get a palindrome (41365244256314).

The spelling of 31233122123101 in words is "thirty-one trillion, two hundred thirty-three billion, one hundred twenty-two million, one hundred twenty-three thousand, one hundred one".