131234110431202 has 4 divisors (see below), whose sum is σ = 196851165646806. Its totient is φ = 65617055215600.

The previous prime is 131234110431187. The next prime is 131234110431247. The reversal of 131234110431202 is 202134011432131.

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., 108681479851681 + 22552630579521 = 10425041^2 + 4748961^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32808527607799 + ... + 32808527607802.

Almost surely, 2^{131234110431202} is an apocalyptic number.

131234110431202 is a deficient number, since it is larger than the sum of its proper divisors (65617055215604).

131234110431202 is an equidigital number, since it uses as much as digits as its factorization.

131234110431202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65617055215603.

The product of its (nonzero) digits is 3456, while the sum is 28.

Adding to 131234110431202 its reverse (202134011432131), we get a palindrome (333368121863333).

The spelling of 131234110431202 in words is "one hundred thirty-one trillion, two hundred thirty-four billion, one hundred ten million, four hundred thirty-one thousand, two hundred two".