Search a number
-
+
31013232330923 is a prime number
BaseRepresentation
bin1110000110100110101001…
…01100100100100010101011
311001210211120111002020112122
413003103110230210202223
513031110044434042143
6145543140544301455
76350426544164423
oct703232454444253
9131724514066478
1031013232330923
119977702157027
12358a6a491188b
13143c6c5c739ab
14793096d59483
1538bad3085c68
hex1c34d4b248ab

31013232330923 has 2 divisors, whose sum is σ = 31013232330924. Its totient is φ = 31013232330922.

The previous prime is 31013232330887. The next prime is 31013232330959. The reversal of 31013232330923 is 32903323231013.

It is a balanced prime because it is at equal distance from previous prime (31013232330887) and next prime (31013232330959).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-31013232330923 is a prime.

It is a super-2 number, since 2×310132323309232 (a number of 28 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (31013232330323) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15506616165461 + 15506616165462.

It is an arithmetic number, because the mean of its divisors is an integer number (15506616165462).

Almost surely, 231013232330923 is an apocalyptic number.

31013232330923 is a deficient number, since it is larger than the sum of its proper divisors (1).

31013232330923 is an equidigital number, since it uses as much as digits as its factorization.

31013232330923 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 52488, while the sum is 35.

Adding to 31013232330923 its reverse (32903323231013), we get a palindrome (63916555561936).

The spelling of 31013232330923 in words is "thirty-one trillion, thirteen billion, two hundred thirty-two million, three hundred thirty thousand, nine hundred twenty-three".