31103332002006 has 128 divisors (see below), whose sum is σ = 68511161650176. Its totient is φ = 9335507681280.

The previous prime is 31103332001947. The next prime is 31103332002007. The reversal of 31103332002006 is 60020023330113.

It is a happy number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31103332002007) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 8843709360 + ... + 8843712876.

It is an arithmetic number, because the mean of its divisors is an integer number (535243450392).

Almost surely, 2^{31103332002006} is an apocalyptic number.

31103332002006 is an abundant number, since it is smaller than the sum of its proper divisors (37407829648170).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

31103332002006 is a wasteful number, since it uses less digits than its factorization.

31103332002006 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6326.

The product of its (nonzero) digits is 1944, while the sum is 24.

Adding to 31103332002006 its reverse (60020023330113), we get a palindrome (91123355332119).

The spelling of 31103332002006 in words is "thirty-one trillion, one hundred three billion, three hundred thirty-two million, two thousand, six".