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31130334202 = 2111415015191
BaseRepresentation
bin11100111111100000…
…110011001111111010
32222100112012211101211
4130333200303033322
51002223331143302
622145011033334
72151303321562
oct347740631772
988315184354
1031130334202
1112225297930
12604959b84a
132c21606bc6
141714601da2
15c22ea2ad7
hex73f8333fa

31130334202 has 8 divisors (see below), whose sum is σ = 50940546912. Its totient is φ = 14150151900.

The previous prime is 31130334149. The next prime is 31130334211. The reversal of 31130334202 is 20243303113.

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

It is a Harshad number since it is a multiple of its sum of digits (22), and also a Moran number because the ratio is a prime number: 1415015191 = 31130334202 / (3 + 1 + 1 + 3 + 0 + 3 + 3 + 4 + 2 + 0 + 2).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 707507574 + ... + 707507617.

It is an arithmetic number, because the mean of its divisors is an integer number (6367568364).

Almost surely, 231130334202 is an apocalyptic number.

31130334202 is a deficient number, since it is larger than the sum of its proper divisors (19810212710).

31130334202 is a wasteful number, since it uses less digits than its factorization.

31130334202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1415015204.

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

Adding to 31130334202 its reverse (20243303113), we get a palindrome (51373637315).

The spelling of 31130334202 in words is "thirty-one billion, one hundred thirty million, three hundred thirty-four thousand, two hundred two".

Divisors: 1 2 11 22 1415015191 2830030382 15565167101 31130334202