31330241123 has 8 divisors (see below), whose sum is σ = 31611314448. Its totient is φ = 31049234944.

The previous prime is 31330241099. The next prime is 31330241141. The reversal of 31330241123 is 32114203313.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-31330241123 is a prime.

It is a super-2 number, since 2×31330241123² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (31330241153) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1697915 + ... + 1716267.

It is an arithmetic number, because the mean of its divisors is an integer number (3951414306).

Almost surely, 2^31330241123 is an apocalyptic number.

31330241123 is a deficient number, since it is larger than the sum of its proper divisors (281073325).

31330241123 is a wasteful number, since it uses less digits than its factorization.

31330241123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33573.

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

Adding to 31330241123 its reverse (32114203313), we get a palindrome (63444444436).

The spelling of 31330241123 in words is "thirty-one billion, three hundred thirty million, two hundred forty-one thousand, one hundred twenty-three".