Search a number
-
+
113102323031 = 652571733183
BaseRepresentation
bin110100101010101101…
…1000111110101010111
3101210221021222022112002
41221111123013311113
53323113143314111
6123543011145515
711112531612005
oct1512533076527
9353837868462
10113102323031
1143a6a349345
1219b058a529b
13a8861593c9
14568d223a75
152e1e64e63b
hex1a556c7d57

113102323031 has 4 divisors (see below), whose sum is σ = 113104121472. Its totient is φ = 113100524592.

The previous prime is 113102323027. The next prime is 113102323067. The reversal of 113102323031 is 130323201311.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 113102323031 - 22 = 113102323027 is a prime.

It is a super-2 number, since 2×1131023230312 (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 113102322994 and 113102323012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113102323531) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 801335 + ... + 931848.

It is an arithmetic number, because the mean of its divisors is an integer number (28276030368).

Almost surely, 2113102323031 is an apocalyptic number.

113102323031 is a deficient number, since it is larger than the sum of its proper divisors (1798441).

113102323031 is an equidigital number, since it uses as much as digits as its factorization.

113102323031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1798440.

The product of its (nonzero) digits is 324, while the sum is 20.

Adding to 113102323031 its reverse (130323201311), we get a palindrome (243425524342).

The spelling of 113102323031 in words is "one hundred thirteen billion, one hundred two million, three hundred twenty-three thousand, thirty-one".

Divisors: 1 65257 1733183 113102323031