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31030030000202 = 2157193512029801
BaseRepresentation
bin1110000111000101111011…
…11010100110000001001010
311001212102221010212020212212
413003202331322212001022
513031344000140001302
6145554555440505122
76351563033053232
oct703427572460112
9131772833766785
1031030030000202
119983841a90632
1235919b231b1a2
131441172074c7c
14793c0bc0acc2
1538c267ae3052
hex1c38bdea604a

31030030000202 has 16 divisors (see below), whose sum is σ = 47084212472712. Its totient is φ = 15336316569600.

The previous prime is 31030030000183. The next prime is 31030030000231. The reversal of 31030030000202 is 20200003003013.

It can be written as a sum of positive squares in 4 ways, for example, as 21714770527921 + 9315259472281 = 4659911^2 + 3052091^2 .

It is a super-2 number, since 2×310300300002022 (a number of 28 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 255954299 + ... + 256075502.

Almost surely, 231030030000202 is an apocalyptic number.

31030030000202 is a deficient number, since it is larger than the sum of its proper divisors (16054182472510).

31030030000202 is a wasteful number, since it uses less digits than its factorization.

31030030000202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 512030153.

The product of its (nonzero) digits is 108, while the sum is 14.

Adding to 31030030000202 its reverse (20200003003013), we get a palindrome (51230033003215).

The spelling of 31030030000202 in words is "thirty-one trillion, thirty billion, thirty million, two hundred two", and thus it is an aban number.

Divisors: 1 2 157 193 314 386 30301 60602 512029801 1024059602 80388678757 98821751593 160777357514 197643503186 15515015000101 31030030000202