131012030101 has 4 divisors (see below), whose sum is σ = 131012761932. Its totient is φ = 131011298272.

The previous prime is 131012030099. The next prime is 131012030111. The reversal of 131012030101 is 101030210131.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 101030210131 = 557 ⋅181382783.

It can be written as a sum of positive squares in 2 ways, for example, as 27745564900 + 103266465201 = 166570^2 + 321351^2 .

It is a cyclic number.

It is not a de Polignac number, because 131012030101 - 2¹ = 131012030099 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 (131012030111) 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, 102435 + ... + 522031.

It is an arithmetic number, because the mean of its divisors is an integer number (32753190483).

Almost surely, 2^131012030101 is an apocalyptic number.

It is an amenable number.

131012030101 is a deficient number, since it is larger than the sum of its proper divisors (731831).

131012030101 is an equidigital number, since it uses as much as digits as its factorization.

131012030101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 731830.

The product of its (nonzero) digits is 18, while the sum is 13.

Adding to 131012030101 its reverse (101030210131), we get a palindrome (232042240232).

The spelling of 131012030101 in words is "one hundred thirty-one billion, twelve million, thirty thousand, one hundred one".