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231331300969 is a prime number
BaseRepresentation
bin1101011101110001101…
…0111000011001101001
3211010002212122200110211
43113130122320121221
512242231303112334
6254134440341121
722466414420536
oct3273432703151
9733085580424
10231331300969
118a11a54136a
1238a004747a1
1318a7845b412
14b2a7277d8d
15603ddc2a64
hex35dc6b8669

231331300969 has 2 divisors, whose sum is σ = 231331300970. Its totient is φ = 231331300968.

The previous prime is 231331300909. The next prime is 231331301011. The reversal of 231331300969 is 969003133132.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 231322521600 + 8779369 = 480960^2 + 2963^2 .

It is a cyclic number.

It is not a de Polignac number, because 231331300969 - 27 = 231331300841 is a prime.

It is a super-2 number, since 2×2313313009692 (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (231331300909) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 115665650484 + 115665650485.

It is an arithmetic number, because the mean of its divisors is an integer number (115665650485).

Almost surely, 2231331300969 is an apocalyptic number.

It is an amenable number.

231331300969 is a deficient number, since it is larger than the sum of its proper divisors (1).

231331300969 is an equidigital number, since it uses as much as digits as its factorization.

231331300969 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 78732, while the sum is 40.

The spelling of 231331300969 in words is "two hundred thirty-one billion, three hundred thirty-one million, three hundred thousand, nine hundred sixty-nine".