131220033119957 has 2 divisors, whose sum is σ = 131220033119958. Its totient is φ = 131220033119956.

The previous prime is 131220033119911. The next prime is 131220033120041. The reversal of 131220033119957 is 759911330022131.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 125040836451556 + 6179196668401 = 11182166^2 + 2485799^2 .

It is a cyclic number.

It is not a de Polignac number, because 131220033119957 - 2²⁴ = 131220016342741 is a prime.

It is a super-2 number, since 2×131220033119957² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (131220033119657) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65610016559978 + 65610016559979.

It is an arithmetic number, because the mean of its divisors is an integer number (65610016559979).

Almost surely, 2^{131220033119957} is an apocalyptic number.

It is an amenable number.

131220033119957 is a deficient number, since it is larger than the sum of its proper divisors (1).

131220033119957 is an equidigital number, since it uses as much as digits as its factorization.

131220033119957 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 306180, while the sum is 47.

The spelling of 131220033119957 in words is "one hundred thirty-one trillion, two hundred twenty billion, thirty-three million, one hundred nineteen thousand, nine hundred fifty-seven".