31141230 has 16 divisors (see below), whose sum is σ = 74739024. Its totient is φ = 8304320.

The previous prime is 31141223. The next prime is 31141261. The reversal of 31141230 is 3214113.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 518991 + ... + 519050.

It is an arithmetic number, because the mean of its divisors is an integer number (4671189).

Almost surely, 2^31141230 is an apocalyptic number.

31141230 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

31141230 is an abundant number, since it is smaller than the sum of its proper divisors (43597794).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

31141230 is a wasteful number, since it uses less digits than its factorization.

31141230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1038051.

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 31141230 is about 5580.4327789160. The cubic root of 31141230 is about 314.6143933583.

Adding to 31141230 its reverse (3214113), we get a palindrome (34355343).

The spelling of 31141230 in words is "thirty-one million, one hundred forty-one thousand, two hundred thirty".