131544032002 has 8 divisors (see below), whose sum is σ = 197323058556. Its totient is φ = 65769679152.

The previous prime is 131544031973. The next prime is 131544032003. The reversal of 131544032002 is 200230445131.

It can be written as a sum of positive squares in 2 ways, for example, as 128851563681 + 2692468321 = 358959^2 + 51889^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (131544032003) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1097193 + ... + 1211164.

Almost surely, 2^131544032002 is an apocalyptic number.

131544032002 is a deficient number, since it is larger than the sum of its proper divisors (65779026554).

131544032002 is a wasteful number, since it uses less digits than its factorization.

131544032002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2336852.

The product of its (nonzero) digits is 2880, while the sum is 25.

Adding to 131544032002 its reverse (200230445131), we get a palindrome (331774477133).

The spelling of 131544032002 in words is "one hundred thirty-one billion, five hundred forty-four million, thirty-two thousand, two".