312232000261 has 2 divisors, whose sum is σ = 312232000262. Its totient is φ = 312232000260.

The previous prime is 312232000253. The next prime is 312232000313. The reversal of 312232000261 is 162000232213.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 292497088900 + 19734911361 = 540830^2 + 140481^2 .

It is a cyclic number.

It is not a de Polignac number, because 312232000261 - 2³ = 312232000253 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (312232000061) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 156116000130 + 156116000131.

It is an arithmetic number, because the mean of its divisors is an integer number (156116000131).

Almost surely, 2^312232000261 is an apocalyptic number.

It is an amenable number.

312232000261 is a deficient number, since it is larger than the sum of its proper divisors (1).

312232000261 is an equidigital number, since it uses as much as digits as its factorization.

312232000261 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 312232000261 its reverse (162000232213), we get a palindrome (474232232474).

The spelling of 312232000261 in words is "three hundred twelve billion, two hundred thirty-two million, two hundred sixty-one", and thus it is an aban number.