131351222 has 16 divisors (see below), whose sum is σ = 200491200. Its totient is φ = 64526088.

The previous prime is 131351219. The next prime is 131351257. The reversal of 131351222 is 222153131.

It is a junction number, because it is equal to n+sod(n) for n = 131351194 and 131351203.

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, 61529 + ... + 63627.

It is an arithmetic number, because the mean of its divisors is an integer number (12530700).

Almost surely, 2^131351222 is an apocalyptic number.

131351222 is a deficient number, since it is larger than the sum of its proper divisors (69139978).

131351222 is a wasteful number, since it uses less digits than its factorization.

131351222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2635.

The product of its digits is 360, while the sum is 20.

The square root of 131351222 is about 11460.8560762275. The cubic root of 131351222 is about 508.3287882301.

The spelling of 131351222 in words is "one hundred thirty-one million, three hundred fifty-one thousand, two hundred twenty-two".