281030 has 16 divisors (see below), whose sum is σ = 511920. Its totient is φ = 111072.

The previous prime is 281023. The next prime is 281033. The reversal of 281030 is 30182.

It is a junction number, because it is equal to n+sod(n) for n = 280996 and 281014.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 281030.

It is not an unprimeable number, because it can be changed into a prime (281033) 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, 1481 + ... + 1659.

It is an arithmetic number, because the mean of its divisors is an integer number (31995).

2²⁸¹⁰³⁰ is an apocalyptic number.

281030 is a deficient number, since it is larger than the sum of its proper divisors (230890).

281030 is a wasteful number, since it uses less digits than its factorization.

281030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 343.

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 281030 is about 530.1226273232. The cubic root of 281030 is about 65.5014470476.

The spelling of 281030 in words is "two hundred eighty-one thousand, thirty".