28600315031 has 4 divisors (see below), whose sum is σ = 28601065200. Its totient is φ = 28599564864.

The previous prime is 28600314971. The next prime is 28600315039. The reversal of 28600315031 is 13051300682.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 28600315031 - 2²² = 28596120727 is a prime.

It is a super-2 number, since 2×28600315031² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 28600314985 and 28600315003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28600315039) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 314651 + ... + 395228.

It is an arithmetic number, because the mean of its divisors is an integer number (7150266300).

Almost surely, 2^28600315031 is an apocalyptic number.

28600315031 is a deficient number, since it is larger than the sum of its proper divisors (750169).

28600315031 is an equidigital number, since it uses as much as digits as its factorization.

28600315031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 750168.

The product of its (nonzero) digits is 4320, while the sum is 29.

The spelling of 28600315031 in words is "twenty-eight billion, six hundred million, three hundred fifteen thousand, thirty-one".