131020442211301 has 4 divisors (see below), whose sum is σ = 132815242789612. Its totient is φ = 129225641632992.

The previous prime is 131020442211227. The next prime is 131020442211311. The reversal of 131020442211301 is 103112244020131.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 40160484072900 + 90859958138401 = 6337230^2 + 9532049^2 .

It is a cyclic number.

It is not a de Polignac number, because 131020442211301 - 2⁷ = 131020442211173 is a prime.

It is a super-2 number, since 2×131020442211301² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131020442211311) 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, 897400289046 + ... + 897400289191.

It is an arithmetic number, because the mean of its divisors is an integer number (33203810697403).

Almost surely, 2^{131020442211301} is an apocalyptic number.

It is an amenable number.

131020442211301 is a deficient number, since it is larger than the sum of its proper divisors (1794800578311).

131020442211301 is an equidigital number, since it uses as much as digits as its factorization.

131020442211301 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1794800578310.

The product of its (nonzero) digits is 1152, while the sum is 25.

Adding to 131020442211301 its reverse (103112244020131), we get a palindrome (234132686231432).

The spelling of 131020442211301 in words is "one hundred thirty-one trillion, twenty billion, four hundred forty-two million, two hundred eleven thousand, three hundred one".