131132331202 has 4 divisors (see below), whose sum is σ = 196698496806. Its totient is φ = 65566165600.

The previous prime is 131132331199. The next prime is 131132331203. The reversal of 131132331202 is 202133231131.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 117319265361 + 13813065841 = 342519^2 + 117529^2 .

It is not an unprimeable number, because it can be changed into a prime (131132331203) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32783082799 + ... + 32783082802.

Almost surely, 2^131132331202 is an apocalyptic number.

131132331202 is a deficient number, since it is larger than the sum of its proper divisors (65566165604).

131132331202 is an equidigital number, since it uses as much as digits as its factorization.

131132331202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65566165603.

The product of its (nonzero) digits is 648, while the sum is 22.

Adding to 131132331202 its reverse (202133231131), we get a palindrome (333265562333).

The spelling of 131132331202 in words is "one hundred thirty-one billion, one hundred thirty-two million, three hundred thirty-one thousand, two hundred two".