Search a number
-
+
31112041002 = 237740762881
BaseRepresentation
bin11100111110011011…
…000001001000101010
32222022020210102211220
4130332123001020222
51002204140303002
622143115002510
72150661661620
oct347633011052
988266712756
1031112041002
1112215a32989
126043439436
132c1a8a0623
141711ddd510
15c2158c7bc
hex73e6c122a

31112041002 has 16 divisors (see below), whose sum is σ = 71113236672. Its totient is φ = 8889154560.

The previous prime is 31112040943. The next prime is 31112041109. The reversal of 31112041002 is 20014021113.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 370381399 + ... + 370381482.

It is an arithmetic number, because the mean of its divisors is an integer number (4444577292).

Almost surely, 231112041002 is an apocalyptic number.

31112041002 is an abundant number, since it is smaller than the sum of its proper divisors (40001195670).

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

31112041002 is a wasteful number, since it uses less digits than its factorization.

31112041002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 740762893.

The product of its (nonzero) digits is 48, while the sum is 15.

Adding to 31112041002 its reverse (20014021113), we get a palindrome (51126062115).

The spelling of 31112041002 in words is "thirty-one billion, one hundred twelve million, forty-one thousand, two".

Divisors: 1 2 3 6 7 14 21 42 740762881 1481525762 2222288643 4444577286 5185340167 10370680334 15556020501 31112041002