Search a number
-
+
31100011121132 = 2240519191885357
BaseRepresentation
bin1110001001001000010010…
…00111011000100111101100
311002010010120020200112112122
413010210021013120213230
513034020310321334012
6150051051535052112
76356621160552662
oct704441107304754
9132103506615478
1031100011121132
119a00493558568
1235a3482971038
13144794560c475
1479736a10ac32
1538deb1724e72
hex1c49091d89ec

31100011121132 has 12 divisors (see below), whose sum is σ = 54426362943120. Its totient is φ = 15549621708816.

The previous prime is 31100011121119. The next prime is 31100011121141. The reversal of 31100011121132 is 23112111000113.

It is a super-2 number, since 2×311000111211322 (a number of 28 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 31100011121132.

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, 95780603 + ... + 96104754.

It is an arithmetic number, because the mean of its divisors is an integer number (4535530245260).

Almost surely, 231100011121132 is an apocalyptic number.

It is an amenable number.

31100011121132 is a deficient number, since it is larger than the sum of its proper divisors (23326351821988).

31100011121132 is a wasteful number, since it uses less digits than its factorization.

31100011121132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 191925880 (or 191925878 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 17.

Adding to 31100011121132 its reverse (23112111000113), we get a palindrome (54212122121245).

The spelling of 31100011121132 in words is "thirty-one trillion, one hundred billion, eleven million, one hundred twenty-one thousand, one hundred thirty-two".

Divisors: 1 2 4 40519 81038 162076 191885357 383770714 767541428 7775002780283 15550005560566 31100011121132