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31030112320002 = 23217101405595817
BaseRepresentation
bin1110000111000110000101…
…10100100111101000000010
311001212110010212202112102100
413003203002310213220002
513031344132223220002
6145555011541131230
76351565052550525
oct703430264475002
9131773125675370
1031030112320002
1199838844a6724
123591a159b9b16
131441186138203
14793c18b18bbc
1538c26ee5411c
hex1c38c2d27a02

31030112320002 has 24 divisors (see below), whose sum is σ = 71186728264236. Its totient is φ = 9734937198336.

The previous prime is 31030112319989. The next prime is 31030112320043. The reversal of 31030112320002 is 20002321103013.

31030112320002 is a `hidden beast` number, since 31 + 0 + 301 + 12 + 320 + 0 + 0 + 2 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 29498357075121 + 1531755244881 = 5431239^2 + 1237641^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

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 11 ways as a sum of consecutive naturals, for example, 50702797603 + ... + 50702798214.

Almost surely, 231030112320002 is an apocalyptic number.

31030112320002 is an abundant number, since it is smaller than the sum of its proper divisors (40156615944234).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

31030112320002 is a wasteful number, since it uses less digits than its factorization.

31030112320002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101405595842 (or 101405595839 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 31030112320002 its reverse (20002321103013), we get a palindrome (51032433423015).

The spelling of 31030112320002 in words is "thirty-one trillion, thirty billion, one hundred twelve million, three hundred twenty thousand, two".

Divisors: 1 2 3 6 9 17 18 34 51 102 153 306 101405595817 202811191634 304216787451 608433574902 912650362353 1723895128889 1825300724706 3447790257778 5171685386667 10343370773334 15515056160001 31030112320002