28015032701231 has 2 divisors, whose sum is σ = 28015032701232. Its totient is φ = 28015032701230.

The previous prime is 28015032701203. The next prime is 28015032701401. The reversal of 28015032701231 is 13210723051082.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 28015032701231 - 2³⁰ = 28013958959407 is a prime.

It is a super-2 number, since 2×28015032701231² (a number of 28 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a junction number, because it is equal to n+sod(n) for n = 28015032701191 and 28015032701200.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (28015032701531) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14007516350615 + 14007516350616.

It is an arithmetic number, because the mean of its divisors is an integer number (14007516350616).

Almost surely, 2^{28015032701231} is an apocalyptic number.

28015032701231 is a deficient number, since it is larger than the sum of its proper divisors (1).

28015032701231 is an equidigital number, since it uses as much as digits as its factorization.

28015032701231 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 20160, while the sum is 35.

The spelling of 28015032701231 in words is "twenty-eight trillion, fifteen billion, thirty-two million, seven hundred one thousand, two hundred thirty-one".