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31202441242 = 272228745803
BaseRepresentation
bin11101000011110011…
…110111100000011010
32222112112220020122221
4131003303313200122
51002400311104432
622200104334254
72153140242310
oct350363674032
988475806587
1031202441242
1112261a67a25
12606977438a
132c335327ab
1417200120b0
15c29497b97
hex743cf781a

31202441242 has 8 divisors (see below), whose sum is σ = 53489899296. Its totient is φ = 13372474812.

The previous prime is 31202441219. The next prime is 31202441299. The reversal of 31202441242 is 24214420213.

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 (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1114372888 + ... + 1114372915.

It is an arithmetic number, because the mean of its divisors is an integer number (6686237412).

Almost surely, 231202441242 is an apocalyptic number.

31202441242 is a deficient number, since it is larger than the sum of its proper divisors (22287458054).

31202441242 is a wasteful number, since it uses less digits than its factorization.

31202441242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2228745812.

The product of its (nonzero) digits is 3072, while the sum is 25.

Adding to 31202441242 its reverse (24214420213), we get a palindrome (55416861455).

The spelling of 31202441242 in words is "thirty-one billion, two hundred two million, four hundred forty-one thousand, two hundred forty-two".

Divisors: 1 2 7 14 2228745803 4457491606 15601220621 31202441242