131442202 has 4 divisors (see below), whose sum is σ = 197163306. Its totient is φ = 65721100.

The previous prime is 131442197. The next prime is 131442253. The reversal of 131442202 is 202244131.

131442202 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 202244131 = 53 ⋅3815927.

It can be written as a sum of positive squares in only one way, i.e., 81018001 + 50424201 = 9001^2 + 7101^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 131442202.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32860549 + ... + 32860552.

Almost surely, 2^131442202 is an apocalyptic number.

131442202 is a deficient number, since it is larger than the sum of its proper divisors (65721104).

131442202 is an equidigital number, since it uses as much as digits as its factorization.

131442202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65721103.

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 131442202 is about 11464.8245516449. The cubic root of 131442202 is about 508.4461252415.

Adding to 131442202 its reverse (202244131), we get a palindrome (333686333).

It can be divided in two parts, 13 and 1442202, that multiplied together give a triangular number (18748626 = T₆₁₂₃).

The spelling of 131442202 in words is "one hundred thirty-one million, four hundred forty-two thousand, two hundred two".