131223242322131 has 32 divisors (see below), whose sum is σ = 145173040233408. Its totient is φ = 118111072665600.

The previous prime is 131223242322127. The next prime is 131223242322149.

131223242322131 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 131223242322131 - 2² = 131223242322127 is a prime.

It is a super-3 number, since 3×131223242322131³ (a number of 43 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (131223242322181) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1663970 + ... + 16285431.

It is an arithmetic number, because the mean of its divisors is an integer number (4536657507294).

Almost surely, 2^{131223242322131} is an apocalyptic number.

131223242322131 is a deficient number, since it is larger than the sum of its proper divisors (13949797911277).

131223242322131 is a wasteful number, since it uses less digits than its factorization.

131223242322131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17949671.

The product of its digits is 20736, while the sum is 32.

The spelling of 131223242322131 in words is "one hundred thirty-one trillion, two hundred twenty-three billion, two hundred forty-two million, three hundred twenty-two thousand, one hundred thirty-one".