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31430133202 = 2131208851277
BaseRepresentation
bin11101010001011000…
…011100010111010010
310000010102100012022111
4131101120130113102
51003332103230302
622234440455534
72161603503256
oct352130342722
9100112305274
1031430133202
11123695442a6
126111a7a5aa
132c6b764370
141742362266
15c3e4720d7
hex75161c5d2

31430133202 has 8 divisors (see below), whose sum is σ = 50771753676. Its totient is φ = 14506215312.

The previous prime is 31430133199. The next prime is 31430133227. The reversal of 31430133202 is 20233103413.

It can be written as a sum of positive squares in 2 ways, for example, as 23495064961 + 7935068241 = 153281^2 + 89079^2 .

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 604425613 + ... + 604425664.

Almost surely, 231430133202 is an apocalyptic number.

31430133202 is a deficient number, since it is larger than the sum of its proper divisors (19341620474).

31430133202 is a wasteful number, since it uses less digits than its factorization.

31430133202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1208851292.

The product of its (nonzero) digits is 1296, while the sum is 22.

Adding to 31430133202 its reverse (20233103413), we get a palindrome (51663236615).

The spelling of 31430133202 in words is "thirty-one billion, four hundred thirty million, one hundred thirty-three thousand, two hundred two".

Divisors: 1 2 13 26 1208851277 2417702554 15715066601 31430133202