Search a number
-
+
231331300747 is a prime number
BaseRepresentation
bin1101011101110001101…
…0111000010110001011
3211010002212122200011121
43113130122320112023
512242231303110442
6254134440340111
722466414420101
oct3273432702613
9733085580147
10231331300747
118a11a541188
1238a00474637
1318a7845b2a1
14b2a7277c71
15603ddc2967
hex35dc6b858b

231331300747 has 2 divisors, whose sum is σ = 231331300748. Its totient is φ = 231331300746.

The previous prime is 231331300691. The next prime is 231331300751. The reversal of 231331300747 is 747003133132.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 231331300747 - 27 = 231331300619 is a prime.

It is not a weakly prime, because it can be changed into another prime (231331300247) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 115665650373 + 115665650374.

It is an arithmetic number, because the mean of its divisors is an integer number (115665650374).

Almost surely, 2231331300747 is an apocalyptic number.

231331300747 is a deficient number, since it is larger than the sum of its proper divisors (1).

231331300747 is an equidigital number, since it uses as much as digits as its factorization.

231331300747 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 31752, while the sum is 34.

Adding to 231331300747 its reverse (747003133132), we get a palindrome (978334433879).

The spelling of 231331300747 in words is "two hundred thirty-one billion, three hundred thirty-one million, three hundred thousand, seven hundred forty-seven".