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11310031434 = 2313145000403
BaseRepresentation
bin10101000100010000…
…10110001001001010
31002012012211010102010
422202020112021022
5141130332001214
65110141120350
7550162452402
oct124210261112
932165733363
1011310031434
114884244019
1222378590b6
1310b32283c0
14794135802
15462dd0659
hex2a221624a

11310031434 has 16 divisors (see below), whose sum is σ = 24360067872. Its totient is φ = 3480009648.

The previous prime is 11310031433. The next prime is 11310031451. The reversal of 11310031434 is 43413001311.

It is a super-2 number, since 2×113100314342 (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 11310031434.

It is not an unprimeable number, because it can be changed into a prime (11310031433) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 72500124 + ... + 72500279.

It is an arithmetic number, because the mean of its divisors is an integer number (1522504242).

Almost surely, 211310031434 is an apocalyptic number.

11310031434 is an abundant number, since it is smaller than the sum of its proper divisors (13050036438).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11310031434 is a wasteful number, since it uses less digits than its factorization.

11310031434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 145000421.

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 11310031434 its reverse (43413001311), we get a palindrome (54723032745).

The spelling of 11310031434 in words is "eleven billion, three hundred ten million, thirty-one thousand, four hundred thirty-four".

Divisors: 1 2 3 6 13 26 39 78 145000403 290000806 435001209 870002418 1885005239 3770010478 5655015717 11310031434