31031133101 has 16 divisors (see below), whose sum is σ = 32042138688. Its totient is φ = 30029616000.

The previous prime is 31031133097. The next prime is 31031133121. The reversal of 31031133101 is 10133113013.

It is a cyclic number.

It is not a de Polignac number, because 31031133101 - 2² = 31031133097 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 31031133101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31031133121) 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 15 ways as a sum of consecutive naturals, for example, 6290606 + ... + 6295536.

It is an arithmetic number, because the mean of its divisors is an integer number (2002633668).

Almost surely, 2^31031133101 is an apocalyptic number.

It is an amenable number.

31031133101 is a deficient number, since it is larger than the sum of its proper divisors (1011005587).

31031133101 is a wasteful number, since it uses less digits than its factorization.

31031133101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5852.

The product of its (nonzero) digits is 81, while the sum is 17.

Adding to 31031133101 its reverse (10133113013), we get a palindrome (41164246114).

The spelling of 31031133101 in words is "thirty-one billion, thirty-one million, one hundred thirty-three thousand, one hundred one".