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311432011010121 = 3691150232518577
BaseRepresentation
bin100011011001111101110101…
…0011000110101000001001001
31111211200121110022112102210210
41012303323222120311001021
5311310000224304310441
63022205520223031333
7122412135361652511
oct10663735230650111
91454617408472723
10311432011010121
11902606352214a1
122ab1973a43b549
13104a0bb305cbc1
1456c95656dc841
1526010dbd75616
hex11b3eea635049

311432011010121 has 8 divisors (see below), whose sum is σ = 415843611423904. Its totient is φ = 207320875634880.

The previous prime is 311432011010051. The next prime is 311432011010177. The reversal of 311432011010121 is 121010110234113.

It is a happy number.

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

It is not a de Polignac number, because 311432011010121 - 211 = 311432011008073 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (311432011010221) 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, 75116257216 + ... + 75116261361.

It is an arithmetic number, because the mean of its divisors is an integer number (51980451427988).

Almost surely, 2311432011010121 is an apocalyptic number.

It is an amenable number.

311432011010121 is a deficient number, since it is larger than the sum of its proper divisors (104411600413783).

311432011010121 is a wasteful number, since it uses less digits than its factorization.

311432011010121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 150232519271.

The product of its (nonzero) digits is 144, while the sum is 21.

Adding to 311432011010121 its reverse (121010110234113), we get a palindrome (432442121244234).

The spelling of 311432011010121 in words is "three hundred eleven trillion, four hundred thirty-two billion, eleven million, ten thousand, one hundred twenty-one".

Divisors: 1 3 691 2073 150232518577 450697555731 103810670336707 311432011010121