28601743031 has 2 divisors, whose sum is σ = 28601743032. Its totient is φ = 28601743030.

The previous prime is 28601743003. The next prime is 28601743033. The reversal of 28601743031 is 13034710682.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 28601743031 - 2³⁴ = 11421873847 is a prime.

It is a super-2 number, since 2×28601743031² (a number of 22 digits) contains 22 as substring.

Together with 28601743033, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 28601742982 and 28601743000.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (28601743033) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14300871515 + 14300871516.

It is an arithmetic number, because the mean of its divisors is an integer number (14300871516).

Almost surely, 2^28601743031 is an apocalyptic number.

28601743031 is a deficient number, since it is larger than the sum of its proper divisors (1).

28601743031 is an equidigital number, since it uses as much as digits as its factorization.

28601743031 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 24192, while the sum is 35.

The spelling of 28601743031 in words is "twenty-eight billion, six hundred one million, seven hundred forty-three thousand, thirty-one".