2130003137261 has 2 divisors, whose sum is σ = 2130003137262. Its totient is φ = 2130003137260.

The previous prime is 2130003137257. The next prime is 2130003137341. The reversal of 2130003137261 is 1627313000312.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1351848036100 + 778155101161 = 1162690^2 + 882131^2 .

It is a cyclic number.

It is not a de Polignac number, because 2130003137261 - 2² = 2130003137257 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2130003137221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1065001568630 + 1065001568631.

It is an arithmetic number, because the mean of its divisors is an integer number (1065001568631).

Almost surely, 2^{2130003137261} is an apocalyptic number.

It is an amenable number.

2130003137261 is a deficient number, since it is larger than the sum of its proper divisors (1).

2130003137261 is an equidigital number, since it uses as much as digits as its factorization.

2130003137261 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4536, while the sum is 29.

Adding to 2130003137261 its reverse (1627313000312), we get a palindrome (3757316137573).

The spelling of 2130003137261 in words is "two trillion, one hundred thirty billion, three million, one hundred thirty-seven thousand, two hundred sixty-one".