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3102231340 = 2251356321193
BaseRepresentation
bin1011100011101000…
…0100101100101100
322000012101200101001
42320322010230230
522323132400330
61231455330044
7136606350145
oct27072045454
98005350331
103102231340
11135214635a
12726b20924
133a5929860
14216018acc
151325399ca
hexb8e84b2c

3102231340 has 48 divisors (see below), whose sum is σ = 7028608608. Its totient is φ = 1143350784.

The previous prime is 3102231277. The next prime is 3102231343. The reversal of 3102231340 is 431322013.

It is not an unprimeable number, because it can be changed into a prime (3102231343) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 135784 + ... + 156976.

It is an arithmetic number, because the mean of its divisors is an integer number (146429346).

Almost surely, 23102231340 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3102231340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3514304304).

3102231340 is an abundant number, since it is smaller than the sum of its proper divisors (3926377268).

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

3102231340 is a wasteful number, since it uses less digits than its factorization.

3102231340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21778 (or 21776 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 19.

The square root of 3102231340 is about 55697.6780485506. The cubic root of 3102231340 is about 1458.4494923819.

Adding to 3102231340 its reverse (431322013), we get a palindrome (3533553353).

The spelling of 3102231340 in words is "three billion, one hundred two million, two hundred thirty-one thousand, three hundred forty".

Divisors: 1 2 4 5 10 13 20 26 52 65 130 260 563 1126 2252 2815 5630 7319 11260 14638 21193 29276 36595 42386 73190 84772 105965 146380 211930 275509 423860 551018 1102036 1377545 2755090 5510180 11931659 23863318 47726636 59658295 119316590 155111567 238633180 310223134 620446268 775557835 1551115670 3102231340