131220332202 has 16 divisors (see below), whose sum is σ = 270906492672. Its totient is φ = 42329139360.

The previous prime is 131220332153. The next prime is 131220332249. The reversal of 131220332202 is 202233022131.

It is a happy 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, 352742643 + ... + 352743014.

It is an arithmetic number, because the mean of its divisors is an integer number (16931655792).

Almost surely, 2^131220332202 is an apocalyptic number.

131220332202 is an abundant number, since it is smaller than the sum of its proper divisors (139686160470).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

131220332202 is a wasteful number, since it uses less digits than its factorization.

131220332202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 705485693.

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 131220332202 its reverse (202233022131), we get a palindrome (333453354333).

The spelling of 131220332202 in words is "one hundred thirty-one billion, two hundred twenty million, three hundred thirty-two thousand, two hundred two".