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231311413330 = 2571325790723
BaseRepresentation
bin1101011101101100111…
…1000001000001010010
3211010001111020021202121
43113123033001001102
512242211210211310
6254132450204454
722466053400224
oct3273317010122
9733044207677
10231311413330
118a10a2984a8
12389b588372a
1318a742b719a
14b2a477c414
15603c2950da
hex35db3c1052

231311413330 has 16 divisors (see below), whose sum is σ = 422224778304. Its totient is φ = 91221402160.

The previous prime is 231311413327. The next prime is 231311413337. The reversal of 231311413330 is 33314113132.

It is a junction number, because it is equal to n+sod(n) for n = 231311413295 and 231311413304.

It is not an unprimeable number, because it can be changed into a prime (231311413337) 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, 162894652 + ... + 162896071.

It is an arithmetic number, because the mean of its divisors is an integer number (26389048644).

Almost surely, 2231311413330 is an apocalyptic number.

231311413330 is a deficient number, since it is larger than the sum of its proper divisors (190913364974).

231311413330 is a wasteful number, since it uses less digits than its factorization.

231311413330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 325790801.

The product of its (nonzero) digits is 1944, while the sum is 25.

Adding to 231311413330 its reverse (33314113132), we get a palindrome (264625526462).

The spelling of 231311413330 in words is "two hundred thirty-one billion, three hundred eleven million, four hundred thirteen thousand, three hundred thirty".

Divisors: 1 2 5 10 71 142 355 710 325790723 651581446 1628953615 3257907230 23131141333 46262282666 115655706665 231311413330