31102249093 has 8 divisors (see below), whose sum is σ = 31235785056. Its totient is φ = 30968790000.

The previous prime is 31102249043. The next prime is 31102249109. The reversal of 31102249093 is 39094220113.

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-31102249093 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 (31102249033) 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, 881530 + ... + 916132.

It is an arithmetic number, because the mean of its divisors is an integer number (3904473132).

Almost surely, 2^31102249093 is an apocalyptic number.

It is an amenable number.

31102249093 is a deficient number, since it is larger than the sum of its proper divisors (133535963).

31102249093 is a wasteful number, since it uses less digits than its factorization.

31102249093 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38435.

The product of its (nonzero) digits is 11664, while the sum is 34.

The spelling of 31102249093 in words is "thirty-one billion, one hundred two million, two hundred forty-nine thousand, ninety-three".