131122045534 has 16 divisors (see below), whose sum is σ = 215433788400. Its totient is φ = 59576750464.

The previous prime is 131122045519. The next prime is 131122045543. The reversal of 131122045534 is 435540221131.

It is a junction number, because it is equal to n+sod(n) for n = 131122045496 and 131122045505.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 66490924 + ... + 66492895.

It is an arithmetic number, because the mean of its divisors is an integer number (13464611775).

Almost surely, 2^131122045534 is an apocalyptic number.

131122045534 is a deficient number, since it is larger than the sum of its proper divisors (84311742866).

131122045534 is a wasteful number, since it uses less digits than its factorization.

131122045534 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 132983867.

The product of its (nonzero) digits is 14400, while the sum is 31.

Adding to 131122045534 its reverse (435540221131), we get a palindrome (566662266665).

The spelling of 131122045534 in words is "one hundred thirty-one billion, one hundred twenty-two million, forty-five thousand, five hundred thirty-four".