131020220301 has 8 divisors (see below), whose sum is σ = 175968763584. Its totient is φ = 86709245280.

The previous prime is 131020220263. The next prime is 131020220321. The reversal of 131020220301 is 103022020131.

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

It is not a de Polignac number, because 131020220301 - 2²² = 131016025997 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131020220321) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 159391585 + ... + 159392406.

It is an arithmetic number, because the mean of its divisors is an integer number (21996095448).

Almost surely, 2^131020220301 is an apocalyptic number.

It is an amenable number.

131020220301 is a deficient number, since it is larger than the sum of its proper divisors (44948543283).

131020220301 is a wasteful number, since it uses less digits than its factorization.

131020220301 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 318784131.

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 131020220301 its reverse (103022020131), we get a palindrome (234042240432).

The spelling of 131020220301 in words is "one hundred thirty-one billion, twenty million, two hundred twenty thousand, three hundred one".