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31210110004301 = 127724440180113
BaseRepresentation
bin1110001100010101010111…
…00001010010110001001101
311002111122202020011022010022
413012022223201102301031
513042321301130114201
6150213420540151525
76400566422614364
oct706125341226115
9132448666138108
1031210110004301
119a431514a6aa8
12360088a8385a5
13145514044b707
1479c8124b07db
15391ca735141b
hex1c62ab852c4d

31210110004301 has 4 divisors (see below), whose sum is σ = 31234550185692. Its totient is φ = 31185669822912.

The previous prime is 31210110004289. The next prime is 31210110004309. The reversal of 31210110004301 is 10340001101213.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 13330312144900 + 17879797859401 = 3651070^2 + 4228451^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-31210110004301 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 31210110004301.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31210110004309) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12220088780 + ... + 12220091333.

It is an arithmetic number, because the mean of its divisors is an integer number (7808637546423).

Almost surely, 231210110004301 is an apocalyptic number.

It is an amenable number.

31210110004301 is a deficient number, since it is larger than the sum of its proper divisors (24440181391).

31210110004301 is a wasteful number, since it uses less digits than its factorization.

31210110004301 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24440181390.

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 31210110004301 its reverse (10340001101213), we get a palindrome (41550111105514).

The spelling of 31210110004301 in words is "thirty-one trillion, two hundred ten billion, one hundred ten million, four thousand, three hundred one".

Divisors: 1 1277 24440180113 31210110004301