Search a number
-
+
31113202232123 = 1129347863325697
BaseRepresentation
bin1110001001100000110110…
…10111011110101100111011
311002011101121120002101222222
413010300123113132230323
513034224314232411443
6150101112514234255
76360566104263344
oct704603327365473
9132141546071888
1031113202232123
119a060425a4490
1235a5b4458598b
131448c6847549b
14797c5bdc30cb
1538e4d4827468
hex1c4c1b5deb3b

31113202232123 has 32 divisors (see below), whose sum is σ = 35254176860160. Its totient is φ = 27199055349760.

The previous prime is 31113202232093. The next prime is 31113202232159. The reversal of 31113202232123 is 32123220231113.

It is a cyclic number.

It is not a de Polignac number, because 31113202232123 - 218 = 31113201969979 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 31113202232092 and 31113202232101.

It is not an unprimeable number, because it can be changed into a prime (31113202238123) 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, 95365211 + ... + 95690907.

It is an arithmetic number, because the mean of its divisors is an integer number (1101693026880).

Almost surely, 231113202232123 is an apocalyptic number.

31113202232123 is a deficient number, since it is larger than the sum of its proper divisors (4140974628037).

31113202232123 is a wasteful number, since it uses less digits than its factorization.

31113202232123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 326947.

The product of its (nonzero) digits is 2592, while the sum is 26.

Adding to 31113202232123 its reverse (32123220231113), we get a palindrome (63236422463236).

The spelling of 31113202232123 in words is "thirty-one trillion, one hundred thirteen billion, two hundred two million, two hundred thirty-two thousand, one hundred twenty-three".

Divisors: 1 11 29 319 347 863 3817 9493 10063 25027 110693 275297 299461 325697 3294071 3582667 8684369 9445213 95528059 103897343 113016859 281076511 1243185449 3091841621 3277488911 8151218819 36052378021 89663407009 97533549317 1072869042487 2828472930193 31113202232123