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31020200002222 = 226767157944641
BaseRepresentation
bin1110000110110011101000…
…00000001000001010101110
311001211111120001222121200121
413003121310000020022232
513031213332200032342
6145550252205515154
76351064321336054
oct703316400101256
9131744501877617
1031020200002222
11997a65822a662
12358bb0a272aba
13144026666aa12
1479355849c1d4
1538bd8eb16067
hex1c36740082ae

31020200002222 has 8 divisors (see below), whose sum is σ = 46530474640272. Its totient is φ = 15510041788800.

The previous prime is 31020200002219. The next prime is 31020200002291. The reversal of 31020200002222 is 22220000202013.

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

It is a junction number, because it is equal to n+sod(n) for n = 31020200002196 and 31020200002205.

It is a congruent number.

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, 28436979 + ... + 29507662.

It is an arithmetic number, because the mean of its divisors is an integer number (5816309330034).

Almost surely, 231020200002222 is an apocalyptic number.

31020200002222 is a deficient number, since it is larger than the sum of its proper divisors (15510274638050).

31020200002222 is a wasteful number, since it uses less digits than its factorization.

31020200002222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58212314.

The product of its (nonzero) digits is 192, while the sum is 16.

Adding to 31020200002222 its reverse (22220000202013), we get a palindrome (53240200204235).

The spelling of 31020200002222 in words is "thirty-one trillion, twenty billion, two hundred million, two thousand, two hundred twenty-two".

Divisors: 1 2 267671 535342 57944641 115889282 15510100001111 31020200002222