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31204214301 = 3134431806113
BaseRepresentation
bin11101000011111010…
…101000011000011101
32222112200020022211210
4131003322220120131
51002401234324201
622200210335033
72153161305501
oct350372503035
988480208753
1031204214301
1112262a69067
12606a28a479
132c33a03840
141720354301
15c296e81d6
hex743ea861d

31204214301 has 16 divisors (see below), whose sum is σ = 44907218496. Its totient is φ = 19159236096.

The previous prime is 31204214299. The next prime is 31204214369. The reversal of 31204214301 is 10341240213.

It is not a de Polignac number, because 31204214301 - 21 = 31204214299 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31204214401) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 885780 + ... + 920333.

It is an arithmetic number, because the mean of its divisors is an integer number (2806701156).

Almost surely, 231204214301 is an apocalyptic number.

It is an amenable number.

31204214301 is a deficient number, since it is larger than the sum of its proper divisors (13703004195).

31204214301 is a wasteful number, since it uses less digits than its factorization.

31204214301 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1806572.

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 31204214301 its reverse (10341240213), we get a palindrome (41545454514).

The spelling of 31204214301 in words is "thirty-one billion, two hundred four million, two hundred fourteen thousand, three hundred one".

Divisors: 1 3 13 39 443 1329 5759 17277 1806113 5418339 23479469 70438407 800108059 2400324177 10401404767 31204214301