101013323261 has 2 divisors, whose sum is σ = 101013323262. Its totient is φ = 101013323260.

The previous prime is 101013323209. The next prime is 101013323267. The reversal of 101013323261 is 162323310101.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 69637932100 + 31375391161 = 263890^2 + 177131^2 .

It is a cyclic number.

It is not a de Polignac number, because 101013323261 - 2⁶ = 101013323197 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (101013323267) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50506661630 + 50506661631.

It is an arithmetic number, because the mean of its divisors is an integer number (50506661631).

Almost surely, 2^101013323261 is an apocalyptic number.

It is an amenable number.

101013323261 is a deficient number, since it is larger than the sum of its proper divisors (1).

101013323261 is an equidigital number, since it uses as much as digits as its factorization.

101013323261 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 648, while the sum is 23.

Adding to 101013323261 its reverse (162323310101), we get a palindrome (263336633362).

The spelling of 101013323261 in words is "one hundred one billion, thirteen million, three hundred twenty-three thousand, two hundred sixty-one".