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321102142054431 = 3433247191795269
BaseRepresentation
bin100100100000010100110101…
…1000111010010000000011111
31120002221001202101010111111220
41021000221223013102000133
5314041414141331220211
63054532142043344423
7124430602263426123
oct11100515307220037
91502831671114456
10321102142054431
119334972108a771
123001b8b5822113
1310a22a571b763a
1459415d8833583
15271c90c268806
hex1240a6b1d201f

321102142054431 has 8 divisors (see below), whose sum is σ = 429124956588720. Its totient is φ = 213573711111552.

The previous prime is 321102142054411. The next prime is 321102142054459. The reversal of 321102142054431 is 134450241201123.

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

It is not a de Polignac number, because 321102142054431 - 27 = 321102142054303 is a prime.

It is a super-2 number, since 2×3211021420544312 (a number of 30 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 321102142054392 and 321102142054401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (321102142054411) 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, 123595896336 + ... + 123595898933.

It is an arithmetic number, because the mean of its divisors is an integer number (53640619573590).

Almost surely, 2321102142054431 is an apocalyptic number.

321102142054431 is a deficient number, since it is larger than the sum of its proper divisors (108022814534289).

321102142054431 is a wasteful number, since it uses less digits than its factorization.

321102142054431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 247191795705.

The product of its (nonzero) digits is 23040, while the sum is 33.

Adding to 321102142054431 its reverse (134450241201123), we get a palindrome (455552383255554).

The spelling of 321102142054431 in words is "three hundred twenty-one trillion, one hundred two billion, one hundred forty-two million, fifty-four thousand, four hundred thirty-one".

Divisors: 1 3 433 1299 247191795269 741575385807 107034047351477 321102142054431