131222121344330 has 16 divisors (see below), whose sum is σ = 236201411140200. Its totient is φ = 52488494599872.

The previous prime is 131222121344309. The next prime is 131222121344371. The reversal of 131222121344330 is 33443121222131.

131222121344330 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 131107240342849 + 114881001481 = 11450207^2 + 338941^2 .

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, 42682469 + ... + 45653448.

Almost surely, 2^{131222121344330} is an apocalyptic number.

131222121344330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

131222121344330 is a deficient number, since it is larger than the sum of its proper divisors (104979289795870).

131222121344330 is a wasteful number, since it uses less digits than its factorization.

131222121344330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88484473.

The product of its (nonzero) digits is 20736, while the sum is 32.

Adding to 131222121344330 its reverse (33443121222131), we get a palindrome (164665242566461).

The spelling of 131222121344330 in words is "one hundred thirty-one trillion, two hundred twenty-two billion, one hundred twenty-one million, three hundred forty-four thousand, three hundred thirty".