131021031301 has 8 divisors (see below), whose sum is σ = 131507963384. Its totient is φ = 130534200000.

The previous prime is 131021031263. The next prime is 131021031331. The reversal of 131021031301 is 103130120131.

It can be written as a sum of positive squares in 4 ways, for example, as 1673628100 + 129347403201 = 40910^2 + 359649^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 131021031301 - 2¹⁵ = 131020998533 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131021031331) 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, 3475051 + ... + 3512551.

It is an arithmetic number, because the mean of its divisors is an integer number (16438495423).

Almost surely, 2^131021031301 is an apocalyptic number.

It is an amenable number.

131021031301 is a deficient number, since it is larger than the sum of its proper divisors (486932083).

131021031301 is a wasteful number, since it uses less digits than its factorization.

131021031301 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50391.

The product of its (nonzero) digits is 54, while the sum is 16.

Adding to 131021031301 its reverse (103130120131), we get a palindrome (234151151432).

The spelling of 131021031301 in words is "one hundred thirty-one billion, twenty-one million, thirty-one thousand, three hundred one".