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311430012402319 = 1312681388663273
BaseRepresentation
bin100011011001111100111001…
…1010000101111101010001111
31111211200102022000210122022121
41012303321303100233222033
5311304432131133333234
63022204550025553411
7122412035013036556
oct10663716320575217
91454612260718277
10311430012402319
119025a7aa045908
122ab19281045867
13104a0954c82435
1456c94160c6d9d
15260102168a4b4
hex11b3e7342fa8f

311430012402319 has 8 divisors (see below), whose sum is σ = 313819047832752. Its totient is φ = 309041154352320.

The previous prime is 311430012402293. The next prime is 311430012402331. The reversal of 311430012402319 is 913204210034113.

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 311430012402319 - 211 = 311430012400271 is a prime.

It is a super-2 number, since 2×3114300124023192 (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (311430012402359) 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, 40819134 + ... + 47844139.

It is an arithmetic number, because the mean of its divisors is an integer number (39227380979094).

Almost surely, 2311430012402319 is an apocalyptic number.

311430012402319 is a deficient number, since it is larger than the sum of its proper divisors (2389035430433).

311430012402319 is a wasteful number, since it uses less digits than its factorization.

311430012402319 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88690217.

The product of its (nonzero) digits is 15552, while the sum is 34.

The spelling of 311430012402319 in words is "three hundred eleven trillion, four hundred thirty billion, twelve million, four hundred two thousand, three hundred nineteen".

Divisors: 1 131 26813 3512503 88663273 11614888763 2377328338949 311430012402319