131013221323 has 8 divisors (see below), whose sum is σ = 135958470480. Its totient is φ = 126096475680.

The previous prime is 131013221321. The next prime is 131013221327. The reversal of 131013221323 is 323122310131.

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 131013221323 - 2¹ = 131013221321 is a prime.

It is a super-2 number, since 2×131013221323² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 131013221294 and 131013221303.

It is not an unprimeable number, because it can be changed into a prime (131013221321) 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, 7116513 + ... + 7134898.

It is an arithmetic number, because the mean of its divisors is an integer number (16994808810).

Almost surely, 2^131013221323 is an apocalyptic number.

131013221323 is a deficient number, since it is larger than the sum of its proper divisors (4945249157).

131013221323 is a wasteful number, since it uses less digits than its factorization.

131013221323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14251757.

The product of its (nonzero) digits is 648, while the sum is 22.

Adding to 131013221323 its reverse (323122310131), we get a palindrome (454135531454).

The spelling of 131013221323 in words is "one hundred thirty-one billion, thirteen million, two hundred twenty-one thousand, three hundred twenty-three".