131201342 has 24 divisors (see below), whose sum is σ = 213439536. Its totient is φ = 60277056.

The previous prime is 131201303. The next prime is 131201351. The reversal of 131201342 is 243102131.

131201342 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a self number, because there is not a number n which added to its sum of digits gives 131201342.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 61823 + ... + 63909.

It is an arithmetic number, because the mean of its divisors is an integer number (8893314).

Almost surely, 2^131201342 is an apocalyptic number.

131201342 is a deficient number, since it is larger than the sum of its proper divisors (82238194).

131201342 is a wasteful number, since it uses less digits than its factorization.

131201342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2192 (or 2149 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 131201342 is about 11454.3154313123. The cubic root of 131201342 is about 508.1353696116.

Adding to 131201342 its reverse (243102131), we get a palindrome (374303473).

The spelling of 131201342 in words is "one hundred thirty-one million, two hundred one thousand, three hundred forty-two".