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123322230031 = 71113137899263
BaseRepresentation
bin111001011011010010…
…0111110010100001111
3102210022112112101100011
41302312210332110033
54010030442330111
6132353051214051
711624016442150
oct1626644762417
9383275471304
10123322230031
1148334202780
121ba98447327
13b824580b60
145d7c66b927
15331b99a021
hex1cb693e50f

123322230031 has 32 divisors (see below), whose sum is σ = 166788292608. Its totient is φ = 88055735040.

The previous prime is 123322229929. The next prime is 123322230071. The reversal of 123322230031 is 130032223321.

It is not a de Polignac number, because 123322230031 - 29 = 123322229519 is a prime.

It is a super-2 number, since 2×1233222300312 (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 123322229984 and 123322230011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123322230071) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 312495 + ... + 586768.

It is an arithmetic number, because the mean of its divisors is an integer number (5212134144).

Almost surely, 2123322230031 is an apocalyptic number.

123322230031 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

123322230031 is a deficient number, since it is larger than the sum of its proper divisors (43466062577).

123322230031 is a wasteful number, since it uses less digits than its factorization.

123322230031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 899431.

The product of its (nonzero) digits is 1296, while the sum is 22.

Adding to 123322230031 its reverse (130032223321), we get a palindrome (253354453352).

It can be divided in two parts, 123322 and 230031, that added together give a palindrome (353353).

The spelling of 123322230031 in words is "one hundred twenty-three billion, three hundred twenty-two million, two hundred thirty thousand, thirty-one".

Divisors: 1 7 11 13 77 91 137 143 959 1001 1507 1781 10549 12467 19591 137137 899263 6294841 9891893 11690419 69243251 81832933 123199031 128594609 862393217 900162263 1355189341 1601587403 9486325387 11211111821 17617461433 123322230031