131120310545522 has 16 divisors (see below), whose sum is σ = 203849329821720. Its totient is φ = 63203045793408.

The previous prime is 131120310545513. The next prime is 131120310545557. The reversal of 131120310545522 is 225545013021131.

It can be written as a sum of positive squares in 4 ways, for example, as 109208540183521 + 21911770362001 = 10450289^2 + 4681001^2 .

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, 8127955643 + ... + 8127971774.

Almost surely, 2^{131120310545522} is an apocalyptic number.

131120310545522 is a deficient number, since it is larger than the sum of its proper divisors (72729019276198).

131120310545522 is a wasteful number, since it uses less digits than its factorization.

131120310545522 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16255927565.

The product of its (nonzero) digits is 36000, while the sum is 35.

Adding to 131120310545522 its reverse (225545013021131), we get a palindrome (356665323566653).

The spelling of 131120310545522 in words is "one hundred thirty-one trillion, one hundred twenty billion, three hundred ten million, five hundred forty-five thousand, five hundred twenty-two".