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331222030 = 2533122203
BaseRepresentation
bin10011101111100…
…000110000001110
3212002020211012121
4103233200300032
51134243101110
652511123154
711131224616
oct2357406016
9762224177
10331222030
1115aa6a017
1292b134ba
1353810089
1431dbda46
151e129cda
hex13be0c0e

331222030 has 8 divisors (see below), whose sum is σ = 596199672. Its totient is φ = 132488808.

The previous prime is 331222027. The next prime is 331222037. The reversal of 331222030 is 30222133.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 331221995 and 331222013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (331222037) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16561092 + ... + 16561111.

It is an arithmetic number, because the mean of its divisors is an integer number (74524959).

Almost surely, 2331222030 is an apocalyptic number.

331222030 is a deficient number, since it is larger than the sum of its proper divisors (264977642).

331222030 is a wasteful number, since it uses less digits than its factorization.

331222030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33122210.

The product of its (nonzero) digits is 216, while the sum is 16.

The square root of 331222030 is about 18199.5063119855. The cubic root of 331222030 is about 691.8942767305.

Adding to 331222030 its reverse (30222133), we get a palindrome (361444163).

The spelling of 331222030 in words is "three hundred thirty-one million, two hundred twenty-two thousand, thirty".

Divisors: 1 2 5 10 33122203 66244406 165611015 331222030