131012222 has 16 divisors (see below), whose sum is σ = 214581744. Its totient is φ = 59496000.

The previous prime is 131012213. The next prime is 131012249. The reversal of 131012222 is 222210131.

It is a happy number.

131012222 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 131012197 and 131012206.

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, 30572 + ... + 34592.

It is an arithmetic number, because the mean of its divisors is an integer number (13411359).

Almost surely, 2^131012222 is an apocalyptic number.

131012222 is a deficient number, since it is larger than the sum of its proper divisors (83569522).

131012222 is a wasteful number, since it uses less digits than its factorization.

131012222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5515.

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 131012222 is about 11446.0570503558. The cubic root of 131012222 is about 507.8911018565.

Adding to 131012222 its reverse (222210131), we get a palindrome (353222353).

The spelling of 131012222 in words is "one hundred thirty-one million, twelve thousand, two hundred twenty-two".