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311032044312 = 233113138004893
BaseRepresentation
bin1001000011010101111…
…01000101101100011000
31002201211100122221111220
410201222331011230120
520043443200404222
6354515224052040
731320443520003
oct4415275055430
91081740587456
10311032044312
1110a9a95314a0
1250344004020
132343a595892
14110a839453a
158155e7cb5c
hex486af45b18

311032044312 has 64 divisors (see below), whose sum is σ = 875632757760. Its totient is φ = 91211740800.

The previous prime is 311032044293. The next prime is 311032044359. The reversal of 311032044312 is 213440230113.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18994263 + ... + 19010630.

It is an arithmetic number, because the mean of its divisors is an integer number (13681761840).

Almost surely, 2311032044312 is an apocalyptic number.

It is an amenable number.

311032044312 is an abundant number, since it is smaller than the sum of its proper divisors (564600713448).

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

311032044312 is a wasteful number, since it uses less digits than its factorization.

311032044312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38004944 (or 38004940 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 24.

Adding to 311032044312 its reverse (213440230113), we get a palindrome (524472274425).

The spelling of 311032044312 in words is "three hundred eleven billion, thirty-two million, forty-four thousand, three hundred twelve".

Divisors: 1 2 3 4 6 8 11 12 22 24 31 33 44 62 66 88 93 124 132 186 248 264 341 372 682 744 1023 1364 2046 2728 4092 8184 38004893 76009786 114014679 152019572 228029358 304039144 418053823 456058716 836107646 912117432 1178151683 1254161469 1672215292 2356303366 2508322938 3344430584 3534455049 4712606732 5016645876 7068910098 9425213464 10033291752 12959668513 14137820196 25919337026 28275640392 38879005539 51838674052 77758011078 103677348104 155516022156 311032044312