28088230651031 has 8 divisors (see below), whose sum is σ = 28346036555760. Its totient is φ = 27830426850432.

The previous prime is 28088230650971. The next prime is 28088230651073. The reversal of 28088230651031 is 13015603288082.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 28088230651031 - 2⁶ = 28088230650967 is a prime.

It is a super-2 number, since 2×28088230651031² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28088230951031) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 41989916 + ... + 42653598.

It is an arithmetic number, because the mean of its divisors is an integer number (3543254569470).

Almost surely, 2^{28088230651031} is an apocalyptic number.

28088230651031 is a deficient number, since it is larger than the sum of its proper divisors (257805904729).

28088230651031 is a wasteful number, since it uses less digits than its factorization.

28088230651031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1052065.

The product of its (nonzero) digits is 552960, while the sum is 47.

The spelling of 28088230651031 in words is "twenty-eight trillion, eighty-eight billion, two hundred thirty million, six hundred fifty-one thousand, thirty-one".