331012214 has 16 divisors (see below), whose sum is σ = 535370640. Its totient is φ = 152586720.

The previous prime is 331012193. The next prime is 331012223. The reversal of 331012214 is 412210133.

It is a junction number, because it is equal to n+sod(n) for n = 331012192 and 331012201.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14924 + ... + 29744.

It is an arithmetic number, because the mean of its divisors is an integer number (33460665).

Almost surely, 2^331012214 is an apocalyptic number.

331012214 is a deficient number, since it is larger than the sum of its proper divisors (204358426).

331012214 is a wasteful number, since it uses less digits than its factorization.

331012214 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15695.

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 331012214 is about 18193.7410666416. The cubic root of 331012214 is about 691.7481500235.

Adding to 331012214 its reverse (412210133), we get a palindrome (743222347).

The spelling of 331012214 in words is "three hundred thirty-one million, twelve thousand, two hundred fourteen".