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1230231201 = 3997411311
BaseRepresentation
bin100100101010011…
…1101011010100001
310011201220012221120
41021110331122201
510004414344301
6322024042453
742325535613
oct11124753241
93151805846
101230231201
11581484a01
122a4003429
13167b4a774
14b955cdb3
157300ce36
hex4953d6a1

1230231201 has 8 divisors (see below), whose sum is σ = 1641957504. Its totient is φ = 819329520.

The previous prime is 1230231181. The next prime is 1230231221. The reversal of 1230231201 is 1021320321.

It is an interprime number because it is at equal distance from previous prime (1230231181) and next prime (1230231221).

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

It is not a de Polignac number, because 1230231201 - 25 = 1230231169 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1230231221) 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, 202665 + ... + 208646.

It is an arithmetic number, because the mean of its divisors is an integer number (205244688).

Almost surely, 21230231201 is an apocalyptic number.

It is an amenable number.

1230231201 is a deficient number, since it is larger than the sum of its proper divisors (411726303).

1230231201 is an equidigital number, since it uses as much as digits as its factorization.

1230231201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 412311.

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 1230231201 is about 35074.6518300610. The cubic root of 1230231201 is about 1071.5083978137.

Adding to 1230231201 its reverse (1021320321), we get a palindrome (2251551522).

The spelling of 1230231201 in words is "one billion, two hundred thirty million, two hundred thirty-one thousand, two hundred one".

Divisors: 1 3 997 2991 411311 1233933 410077067 1230231201