131001133542 has 16 divisors (see below), whose sum is σ = 262006306560. Its totient is φ = 43666371272.

The previous prime is 131001133507. The next prime is 131001133547. The reversal of 131001133542 is 245331100131.

It is a super-2 number, since 2×131001133542² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131001133547) by changing a digit.

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, 401863 + ... + 650765.

It is an arithmetic number, because the mean of its divisors is an integer number (16375394160).

Almost surely, 2^131001133542 is an apocalyptic number.

131001133542 is an abundant number, since it is smaller than the sum of its proper divisors (131005173018).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

131001133542 is a wasteful number, since it uses less digits than its factorization.

131001133542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 336627.

The product of its (nonzero) digits is 1080, while the sum is 24.

Adding to 131001133542 its reverse (245331100131), we get a palindrome (376332233673).

The spelling of 131001133542 in words is "one hundred thirty-one billion, one million, one hundred thirty-three thousand, five hundred forty-two".