151231510222 has 16 divisors (see below), whose sum is σ = 244588266720. Its totient is φ = 69715955232.

The previous prime is 151231510217. The next prime is 151231510231. The reversal of 151231510222 is 222015132151.

It is a happy number.

151231510222 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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, 3444573 + ... + 3488200.

It is an arithmetic number, because the mean of its divisors is an integer number (15286766670).

Almost surely, 2^151231510222 is an apocalyptic number.

151231510222 is a deficient number, since it is larger than the sum of its proper divisors (93356756498).

151231510222 is a wasteful number, since it uses less digits than its factorization.

151231510222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6933627.

The product of its (nonzero) digits is 1200, while the sum is 25.

Adding to 151231510222 its reverse (222015132151), we get a palindrome (373246642373).

The spelling of 151231510222 in words is "one hundred fifty-one billion, two hundred thirty-one million, five hundred ten thousand, two hundred twenty-two".