131522123045 has 8 divisors (see below), whose sum is σ = 157828953120. Its totient is φ = 105216094800.

The previous prime is 131522123039. The next prime is 131522123059. The reversal of 131522123045 is 540321225131.

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

It is a de Polignac number, because none of the positive numbers 2^k-131522123045 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 131522122999 and 131522123017.

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, 254126 + ... + 572384.

It is an arithmetic number, because the mean of its divisors is an integer number (19728619140).

Almost surely, 2^131522123045 is an apocalyptic number.

It is an amenable number.

131522123045 is a deficient number, since it is larger than the sum of its proper divisors (26306830075).

131522123045 is an equidigital number, since it uses as much as digits as its factorization.

131522123045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 400915.

The product of its (nonzero) digits is 7200, while the sum is 29.

Adding to 131522123045 its reverse (540321225131), we get a palindrome (671843348176).

The spelling of 131522123045 in words is "one hundred thirty-one billion, five hundred twenty-two million, one hundred twenty-three thousand, forty-five".