131213201202 has 48 divisors (see below), whose sum is σ = 299608040160. Its totient is φ = 41387305536.

The previous prime is 131213201191. The next prime is 131213201213. The reversal of 131213201202 is 202102312131.

It is an interprime number because it is at equal distance from previous prime (131213201191) and next prime (131213201213).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 69253 + ... + 516935.

It is an arithmetic number, because the mean of its divisors is an integer number (6241834170).

Almost surely, 2^131213201202 is an apocalyptic number.

131213201202 is an abundant number, since it is smaller than the sum of its proper divisors (168394838958).

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

131213201202 is a wasteful number, since it uses less digits than its factorization.

131213201202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 448567 (or 448564 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 131213201202 its reverse (202102312131), we get a palindrome (333315513333).

The spelling of 131213201202 in words is "one hundred thirty-one billion, two hundred thirteen million, two hundred one thousand, two hundred two".