28237313001 has 16 divisors (see below), whose sum is σ = 37786361984. Its totient is φ = 18756676224.

The previous prime is 28237312997. The next prime is 28237313009. The reversal of 28237313001 is 10031373282.

It is not a de Polignac number, because 28237313001 - 2² = 28237312997 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 28237313001.

It is not an unprimeable number, because it can be changed into a prime (28237313009) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1103316 + ... + 1128618.

It is an arithmetic number, because the mean of its divisors is an integer number (2361647624).

Almost surely, 2^28237313001 is an apocalyptic number.

It is an amenable number.

28237313001 is a deficient number, since it is larger than the sum of its proper divisors (9549048983).

28237313001 is a wasteful number, since it uses less digits than its factorization.

28237313001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26640.

The product of its (nonzero) digits is 6048, while the sum is 30.

Adding to 28237313001 its reverse (10031373282), we get a palindrome (38268686283).

The spelling of 28237313001 in words is "twenty-eight billion, two hundred thirty-seven million, three hundred thirteen thousand, one".