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1231325230 = 25123132523
BaseRepresentation
bin100100101100100…
…1000100000101110
310011210221210200011
41021121020200232
510010204401410
6322103323434
742341043322
oct11131104056
93153853604
101231325230
11582061963
122a445057a
13168141715
14b9765982
157317718a
hex4964882e

1231325230 has 8 divisors (see below), whose sum is σ = 2216385432. Its totient is φ = 492530088.

The previous prime is 1231325219. The next prime is 1231325261. The reversal of 1231325230 is 325231321.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 61566252 + ... + 61566271.

It is an arithmetic number, because the mean of its divisors is an integer number (277048179).

Almost surely, 21231325230 is an apocalyptic number.

1231325230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1231325230 is a deficient number, since it is larger than the sum of its proper divisors (985060202).

1231325230 is a wasteful number, since it uses less digits than its factorization.

1231325230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 123132530.

The product of its (nonzero) digits is 1080, while the sum is 22.

The square root of 1231325230 is about 35090.2440857854. The cubic root of 1231325230 is about 1071.8259299814.

Adding to 1231325230 its reverse (325231321), we get a palindrome (1556556551).

The spelling of 1231325230 in words is "one billion, two hundred thirty-one million, three hundred twenty-five thousand, two hundred thirty".

Divisors: 1 2 5 10 123132523 246265046 615662615 1231325230