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31020000002030 = 2513218355029587
BaseRepresentation
bin1110000110110011010000…
…00101001011111111101110
311001211111001010122120000002
413003121220011023333232
513031212430000031110
6145550220303104302
76351056342351114
oct703315005137756
9131744033576002
1031020000002030
11997a565347546
12358ba732a2092
1314402340b3600
14793539ab9ab4
1538bd7c2abaa5
hex1c366814bfee

31020000002030 has 24 divisors (see below), whose sum is σ = 60461467462872. Its totient is φ = 11453538461664.

The previous prime is 31020000001999. The next prime is 31020000002059. The reversal of 31020000002030 is 3020000002013.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9177513104 + ... + 9177516483.

It is an arithmetic number, because the mean of its divisors is an integer number (2519227810953).

Almost surely, 231020000002030 is an apocalyptic number.

31020000002030 is a deficient number, since it is larger than the sum of its proper divisors (29441467460842).

31020000002030 is a wasteful number, since it uses less digits than its factorization.

31020000002030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18355029620 (or 18355029607 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 11.

Adding to 31020000002030 its reverse (3020000002013), we get a palindrome (34040000004043).

The spelling of 31020000002030 in words is "thirty-one trillion, twenty billion, two thousand, thirty".

Divisors: 1 2 5 10 13 26 65 130 169 338 845 1690 18355029587 36710059174 91775147935 183550295870 238615384631 477230769262 1193076923155 2386153846310 3102000000203 6204000000406 15510000001015 31020000002030