212331030 has 32 divisors (see below), whose sum is σ = 510127200. Its totient is φ = 56562432.

The previous prime is 212330999. The next prime is 212331089. The reversal of 212331030 is 30133212.

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 15 ways as a sum of consecutive naturals, for example, 30736 + ... + 37004.

It is an arithmetic number, because the mean of its divisors is an integer number (15941475).

Almost surely, 2^212331030 is an apocalyptic number.

212331030 is an abundant number, since it is smaller than the sum of its proper divisors (297796170).

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

212331030 is a wasteful number, since it uses less digits than its factorization.

212331030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7408.

The product of its (nonzero) digits is 108, while the sum is 15.

The square root of 212331030 is about 14571.5829613670. The cubic root of 212331030 is about 596.5833870778.

Adding to 212331030 its reverse (30133212), we get a palindrome (242464242).

It can be divided in two parts, 2123 and 31030, that added together give a triangular number (33153 = T₂₅₇).

The spelling of 212331030 in words is "two hundred twelve million, three hundred thirty-one thousand, thirty".