131303112130221 has 8 divisors (see below), whose sum is σ = 175084965646560. Its totient is φ = 87528333350352.

The previous prime is 131303112130171. The next prime is 131303112130283. The reversal of 131303112130221 is 122031211303131.

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

It is not a de Polignac number, because 131303112130221 - 2¹⁹ = 131303111605933 is a prime.

It is a super-2 number, since 2×131303112130221² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 131303112130191 and 131303112130200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131303112130291) 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, 1768640811 + ... + 1768715048.

It is an arithmetic number, because the mean of its divisors is an integer number (21885620705820).

Almost surely, 2^{131303112130221} is an apocalyptic number.

It is an amenable number.

131303112130221 is a deficient number, since it is larger than the sum of its proper divisors (43781853516339).

131303112130221 is a wasteful number, since it uses less digits than its factorization.

131303112130221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3537368235.

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

Adding to 131303112130221 its reverse (122031211303131), we get a palindrome (253334323433352).

The spelling of 131303112130221 in words is "one hundred thirty-one trillion, three hundred three billion, one hundred twelve million, one hundred thirty thousand, two hundred twenty-one".