131202201142 has 4 divisors (see below), whose sum is σ = 196803301716. Its totient is φ = 65601100570.

The previous prime is 131202201127. The next prime is 131202201161. The reversal of 131202201142 is 241102202131.

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

It is a super-2 number, since 2×131202201142² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32800550284 + ... + 32800550287.

It is an arithmetic number, because the mean of its divisors is an integer number (49200825429).

Almost surely, 2^131202201142 is an apocalyptic number.

131202201142 is a deficient number, since it is larger than the sum of its proper divisors (65601100574).

131202201142 is an equidigital number, since it uses as much as digits as its factorization.

131202201142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65601100573.

The product of its (nonzero) digits is 192, while the sum is 19.

Adding to 131202201142 its reverse (241102202131), we get a palindrome (372304403273).

The spelling of 131202201142 in words is "one hundred thirty-one billion, two hundred two million, two hundred one thousand, one hundred forty-two".