131021031202 has 16 divisors (see below), whose sum is σ = 207380632320. Its totient is φ = 61958160352.

The previous prime is 131021031157. The next prime is 131021031259. The reversal of 131021031202 is 202130120131.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15997498 + ... + 16005685.

It is an arithmetic number, because the mean of its divisors is an integer number (12961289520).

Almost surely, 2^131021031202 is an apocalyptic number.

131021031202 is a deficient number, since it is larger than the sum of its proper divisors (76359601118).

131021031202 is a wasteful number, since it uses less digits than its factorization.

131021031202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32003297.

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 131021031202 its reverse (202130120131), we get a palindrome (333151151333).

The spelling of 131021031202 in words is "one hundred thirty-one billion, twenty-one million, thirty-one thousand, two hundred two".