2131483159121 has 2 divisors, whose sum is σ = 2131483159122. Its totient is φ = 2131483159120.

The previous prime is 2131483159079. The next prime is 2131483159171. The reversal of 2131483159121 is 1219513841312.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1076063902225 + 1055419256896 = 1037335^2 + 1027336^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2131483159121 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (2131483159171) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1065741579560 + 1065741579561.

It is an arithmetic number, because the mean of its divisors is an integer number (1065741579561).

Almost surely, 2^{2131483159121} is an apocalyptic number.

It is an amenable number.

2131483159121 is a deficient number, since it is larger than the sum of its proper divisors (1).

2131483159121 is an equidigital number, since it uses as much as digits as its factorization.

2131483159121 is an evil number, because the sum of its binary digits is even.

The product of its digits is 51840, while the sum is 41.

The spelling of 2131483159121 in words is "two trillion, one hundred thirty-one billion, four hundred eighty-three million, one hundred fifty-nine thousand, one hundred twenty-one".