131121305132534 has 8 divisors (see below), whose sum is σ = 196682021226768. Its totient is φ = 65560631390280.

The previous prime is 131121305132533. The next prime is 131121305132551. The reversal of 131121305132534 is 435231503121131.

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

It is a super-2 number, since 2×131121305132534² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 131121305132494 and 131121305132503.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131121305132533) 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, 1173977 + ... + 16236404.

It is an arithmetic number, because the mean of its divisors is an integer number (24585252653346).

Almost surely, 2^{131121305132534} is an apocalyptic number.

131121305132534 is a deficient number, since it is larger than the sum of its proper divisors (65560716094234).

131121305132534 is a wasteful number, since it uses less digits than its factorization.

131121305132534 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21175990.

The product of its (nonzero) digits is 32400, while the sum is 35.

Adding to 131121305132534 its reverse (435231503121131), we get a palindrome (566352808253665).

The spelling of 131121305132534 in words is "one hundred thirty-one trillion, one hundred twenty-one billion, three hundred five million, one hundred thirty-two thousand, five hundred thirty-four".