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1230102312213 = 31943321099887
BaseRepresentation
bin10001111001100111110…
…011111011010100010101
311100121002221112000022210
4101321213303323110111
5130123222142442323
62341033505344033
7154605040064145
oct21714763732425
94317087460283
101230102312213
11434757760875
1217a49a938019
138bcc8c22b78
14437743a6925
1521ee77c4293
hex11e67cfb515

1230102312213 has 8 divisors (see below), whose sum is σ = 1640220893568. Its totient is φ = 820025969504.

The previous prime is 1230102312199. The next prime is 1230102312253. The reversal of 1230102312213 is 3122132010321.

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 1230102312213 - 29 = 1230102311701 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1230102312213.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1230102312253) 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, 10491645 + ... + 10608242.

It is an arithmetic number, because the mean of its divisors is an integer number (205027611696).

Almost surely, 21230102312213 is an apocalyptic number.

It is an amenable number.

1230102312213 is a deficient number, since it is larger than the sum of its proper divisors (410118581355).

1230102312213 is a wasteful number, since it uses less digits than its factorization.

1230102312213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21119323.

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 1230102312213 its reverse (3122132010321), we get a palindrome (4352234322534).

The spelling of 1230102312213 in words is "one trillion, two hundred thirty billion, one hundred two million, three hundred twelve thousand, two hundred thirteen".

Divisors: 1 3 19433 58299 21099887 63299661 410034104071 1230102312213