31082103285 has 32 divisors (see below), whose sum is σ = 53683050240. Its totient is φ = 15309600768.

The previous prime is 31082103281. The next prime is 31082103341. The reversal of 31082103285 is 58230128013.

It is not a de Polignac number, because 31082103285 - 2² = 31082103281 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31082103281) 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 31 ways as a sum of consecutive naturals, for example, 1543324 + ... + 1563333.

It is an arithmetic number, because the mean of its divisors is an integer number (1677595320).

Almost surely, 2^31082103285 is an apocalyptic number.

It is an amenable number.

31082103285 is a deficient number, since it is larger than the sum of its proper divisors (22600946955).

31082103285 is a wasteful number, since it uses less digits than its factorization.

31082103285 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3106717.

The product of its (nonzero) digits is 11520, while the sum is 33.

The spelling of 31082103285 in words is "thirty-one billion, eighty-two million, one hundred three thousand, two hundred eighty-five".