351214512231 has 16 divisors (see below), whose sum is σ = 510873563520. Its totient is φ = 212850575520.

The previous prime is 351214512227. The next prime is 351214512293. The reversal of 351214512231 is 132215412153.

It is a happy number.

It is not a de Polignac number, because 351214512231 - 2² = 351214512227 is a prime.

It is a super-2 number, since 2×351214512231² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (351214512331) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1021936 + ... + 1321658.

It is an arithmetic number, because the mean of its divisors is an integer number (31929597720).

Almost surely, 2^351214512231 is an apocalyptic number.

351214512231 is a deficient number, since it is larger than the sum of its proper divisors (159659051289).

351214512231 is a wasteful number, since it uses less digits than its factorization.

351214512231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 335246.

The product of its digits is 7200, while the sum is 30.

Adding to 351214512231 its reverse (132215412153), we get a palindrome (483429924384).

The spelling of 351214512231 in words is "three hundred fifty-one billion, two hundred fourteen million, five hundred twelve thousand, two hundred thirty-one".