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113001131213 = 220275130119
BaseRepresentation
bin110100100111101100…
…1000110110011001101
3101210200020120020102222
41221033121012303031
53322411242144323
6123524554225125
711110162524065
oct1511731066315
9353606506388
10113001131213
1143a18213443
1219a97a251a5
13a86b1b92a9
14567da023a5
152e158119c8
hex1a4f646ccd

113001131213 has 4 divisors (see below), whose sum is σ = 113006283360. Its totient is φ = 112995979068.

The previous prime is 113001131197. The next prime is 113001131227. The reversal of 113001131213 is 312131100311.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 312131100311 = 937333117503.

It is a cyclic number.

It is not a de Polignac number, because 113001131213 - 24 = 113001131197 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 113001131191 and 113001131200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113001131813) 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, 2543033 + ... + 2587086.

It is an arithmetic number, because the mean of its divisors is an integer number (28251570840).

Almost surely, 2113001131213 is an apocalyptic number.

It is an amenable number.

113001131213 is a deficient number, since it is larger than the sum of its proper divisors (5152147).

113001131213 is an equidigital number, since it uses as much as digits as its factorization.

113001131213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5152146.

The product of its (nonzero) digits is 54, while the sum is 17.

Adding to 113001131213 its reverse (312131100311), we get a palindrome (425132231524).

The spelling of 113001131213 in words is "one hundred thirteen billion, one million, one hundred thirty-one thousand, two hundred thirteen".

Divisors: 1 22027 5130119 113001131213