1032313111261 has 2 divisors, whose sum is σ = 1032313111262. Its totient is φ = 1032313111260.

The previous prime is 1032313111253. The next prime is 1032313111351. The reversal of 1032313111261 is 1621113132301.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 748192130361 + 284120980900 = 864981^2 + 533030^2 .

It is a cyclic number.

It is not a de Polignac number, because 1032313111261 - 2³ = 1032313111253 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1032313111201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 516156555630 + 516156555631.

It is an arithmetic number, because the mean of its divisors is an integer number (516156555631).

Almost surely, 2^{1032313111261} is an apocalyptic number.

It is an amenable number.

1032313111261 is a deficient number, since it is larger than the sum of its proper divisors (1).

1032313111261 is an equidigital number, since it uses as much as digits as its factorization.

1032313111261 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 648, while the sum is 25.

Adding to 1032313111261 its reverse (1621113132301), we get a palindrome (2653426243562).

The spelling of 1032313111261 in words is "one trillion, thirty-two billion, three hundred thirteen million, one hundred eleven thousand, two hundred sixty-one".