2231311000987 has 8 divisors (see below), whose sum is σ = 2262085828416. Its totient is φ = 2200719904392.

The previous prime is 2231311000949. The next prime is 2231311000991. The reversal of 2231311000987 is 7890001131322.

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-2231311000987 is a prime.

It is a super-3 number, since 3×2231311000987³ (a number of 38 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (2231311000907) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 45908253 + ... + 45956830.

It is an arithmetic number, because the mean of its divisors is an integer number (282760728552).

Almost surely, 2^{2231311000987} is an apocalyptic number.

2231311000987 is a deficient number, since it is larger than the sum of its proper divisors (30774827429).

2231311000987 is a wasteful number, since it uses less digits than its factorization.

2231311000987 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91865417.

The product of its (nonzero) digits is 18144, while the sum is 37.

The spelling of 2231311000987 in words is "two trillion, two hundred thirty-one billion, three hundred eleven million, nine hundred eighty-seven", and thus it is an aban number.