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230131212010 = 25723142938641
BaseRepresentation
bin1101011001010011100…
…0111001111011101010
3211000000020110211220121
43112110320321323222
512232302042241020
6253415410313454
722424603012110
oct3262470717352
9730006424817
10230131212010
1189664084807
123872658888a
13189169355cb
14b1d1b23ab0
155ebd86abaa
hex3594e39eea

230131212010 has 32 divisors (see below), whose sum is σ = 493995946752. Its totient is φ = 75471601920.

The previous prime is 230131212001. The next prime is 230131212029. The reversal of 230131212010 is 10212131032.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 71467711 + ... + 71470930.

It is an arithmetic number, because the mean of its divisors is an integer number (15437373336).

Almost surely, 2230131212010 is an apocalyptic number.

230131212010 is an abundant number, since it is smaller than the sum of its proper divisors (263864734742).

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

230131212010 is a wasteful number, since it uses less digits than its factorization.

230131212010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 142938678.

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 230131212010 its reverse (10212131032), we get a palindrome (240343343042).

The spelling of 230131212010 in words is "two hundred thirty billion, one hundred thirty-one million, two hundred twelve thousand, ten".

Divisors: 1 2 5 7 10 14 23 35 46 70 115 161 230 322 805 1610 142938641 285877282 714693205 1000570487 1429386410 2001140974 3287588743 5002852435 6575177486 10005704870 16437943715 23013121201 32875887430 46026242402 115065606005 230131212010