131360021601 has 16 divisors (see below), whose sum is σ = 182770971264. Its totient is φ = 83761593344.

The previous prime is 131360021591. The next prime is 131360021641. The reversal of 131360021601 is 106120063131.

It is a cyclic number.

It is not a de Polignac number, because 131360021601 - 2¹³ = 131360013409 is a prime.

It is not an unprimeable number, because it can be changed into a prime (131360021641) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1904815 + ... + 1972571.

It is an arithmetic number, because the mean of its divisors is an integer number (11423185704).

Almost surely, 2^131360021601 is an apocalyptic number.

It is an amenable number.

131360021601 is a deficient number, since it is larger than the sum of its proper divisors (51410949663).

131360021601 is a wasteful number, since it uses less digits than its factorization.

131360021601 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95880.

The product of its (nonzero) digits is 648, while the sum is 24.

Adding to 131360021601 its reverse (106120063131), we get a palindrome (237480084732).

The spelling of 131360021601 in words is "one hundred thirty-one billion, three hundred sixty million, twenty-one thousand, six hundred one".