131013542 has 16 divisors (see below), whose sum is σ = 217588032. Its totient is φ = 58662120.

The previous prime is 131013539. The next prime is 131013551. The reversal of 131013542 is 245310131.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 42968 + ... + 45915.

It is an arithmetic number, because the mean of its divisors is an integer number (13599252).

Almost surely, 2^131013542 is an apocalyptic number.

131013542 is a deficient number, since it is larger than the sum of its proper divisors (86574490).

131013542 is a wasteful number, since it uses less digits than its factorization.

131013542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88963.

The product of its (nonzero) digits is 360, while the sum is 20.

The square root of 131013542 is about 11446.1147119885. The cubic root of 131013542 is about 507.8928075854.

Adding to 131013542 its reverse (245310131), we get a palindrome (376323673).

The spelling of 131013542 in words is "one hundred thirty-one million, thirteen thousand, five hundred forty-two".