131120304451123 has 4 divisors (see below), whose sum is σ = 141206481716608. Its totient is φ = 121034127185640.

The previous prime is 131120304451121. The next prime is 131120304451151. The reversal of 131120304451123 is 321154403021131.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 131120304451123 - 2¹ = 131120304451121 is a prime.

It is a super-2 number, since 2×131120304451123² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (131120304451121) 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, 5043088632723 + ... + 5043088632748.

It is an arithmetic number, because the mean of its divisors is an integer number (35301620429152).

Almost surely, 2^{131120304451123} is an apocalyptic number.

131120304451123 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

131120304451123 is a deficient number, since it is larger than the sum of its proper divisors (10086177265485).

131120304451123 is a wasteful number, since it uses less digits than its factorization.

131120304451123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10086177265484.

The product of its (nonzero) digits is 8640, while the sum is 31.

Adding to 131120304451123 its reverse (321154403021131), we get a palindrome (452274707472254).

The spelling of 131120304451123 in words is "one hundred thirty-one trillion, one hundred twenty billion, three hundred four million, four hundred fifty-one thousand, one hundred twenty-three".