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311032143401 = 7131339184453
BaseRepresentation
bin1001000011010101111…
…01011101111000101001
31002201211100211222102212
410201222331131320221
520043443212042101
6354515230134505
731320444411620
oct4415275357051
91081740758385
10311032143401
1110a9a9599991
1250344051435
132343a5cba05
14110a83bc6b7
158155e9c1bb
hex486af5de29

311032143401 has 8 divisors (see below), whose sum is σ = 358178783424. Its totient is φ = 264563872560.

The previous prime is 311032143329. The next prime is 311032143431. The reversal of 311032143401 is 104341230113.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 311032143401 - 238 = 36154236457 is a prime.

It is a super-4 number, since 4×3110321434014 (a number of 47 digits) contains 4444 as substring. Note that it is a super-d number also for d = 3.

It is not an unprimeable number, because it can be changed into a prime (311032143431) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 169591310 + ... + 169593143.

It is an arithmetic number, because the mean of its divisors is an integer number (44772347928).

Almost surely, 2311032143401 is an apocalyptic number.

It is an amenable number.

311032143401 is a deficient number, since it is larger than the sum of its proper divisors (47146640023).

311032143401 is a wasteful number, since it uses less digits than its factorization.

311032143401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 339184591.

The product of its (nonzero) digits is 864, while the sum is 23.

Adding to 311032143401 its reverse (104341230113), we get a palindrome (415373373514).

The spelling of 311032143401 in words is "three hundred eleven billion, thirty-two million, one hundred forty-three thousand, four hundred one".

Divisors: 1 7 131 917 339184453 2374291171 44433163343 311032143401