28037015231 has 8 divisors (see below), whose sum is σ = 28142554800. Its totient is φ = 27931583808.

The previous prime is 28037015221. The next prime is 28037015333. The reversal of 28037015231 is 13251073082.

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 28037015231 - 2²² = 28032820927 is a prime.

It is a super-2 number, since 2×28037015231² (a number of 22 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 (28037015221) 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, 512555 + ... + 564611.

It is an arithmetic number, because the mean of its divisors is an integer number (3517819350).

Almost surely, 2^28037015231 is an apocalyptic number.

28037015231 is a deficient number, since it is larger than the sum of its proper divisors (105539569).

28037015231 is a wasteful number, since it uses less digits than its factorization.

28037015231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54073.

The product of its (nonzero) digits is 10080, while the sum is 32.

The spelling of 28037015231 in words is "twenty-eight billion, thirty-seven million, fifteen thousand, two hundred thirty-one".