28363146031 has 32 divisors (see below), whose sum is σ = 31728112128. Its totient is φ = 25139197440.

The previous prime is 28363146029. The next prime is 28363146043. The reversal of 28363146031 is 13064136382.

It is a cyclic number.

It is not a de Polignac number, because 28363146031 - 2¹ = 28363146029 is a prime.

It is a super-3 number, since 3×28363146031³ (a number of 32 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28363146431) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 38173446 + ... + 38174188.

It is an arithmetic number, because the mean of its divisors is an integer number (991503504).

Almost surely, 2^28363146031 is an apocalyptic number.

28363146031 is a deficient number, since it is larger than the sum of its proper divisors (3364966097).

28363146031 is a wasteful number, since it uses less digits than its factorization.

28363146031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1311.

The product of its (nonzero) digits is 62208, while the sum is 37.

The spelling of 28363146031 in words is "twenty-eight billion, three hundred sixty-three million, one hundred forty-six thousand, thirty-one".