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31301201120009 = 223140364130583
BaseRepresentation
bin1110001110111111000001…
…11110010100101100001001
311002211100212112011102121112
413013133200332110230021
513100314324441320014
6150323323455020105
76410302641412322
oct707374076245411
9132740775142545
1031301201120009
119a78846014507
123616470b0a635
1314608c9330892
147a2db4277449
153943393ab73e
hex1c77e0f94b09

31301201120009 has 4 divisors (see below), whose sum is σ = 31441565250816. Its totient is φ = 31160836989204.

The previous prime is 31301201120003. The next prime is 31301201120027. The reversal of 31301201120009 is 90002110210313.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 31301201120009 - 224 = 31301184342793 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (31301201120003) 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, 70182065069 + ... + 70182065514.

It is an arithmetic number, because the mean of its divisors is an integer number (7860391312704).

Almost surely, 231301201120009 is an apocalyptic number.

It is an amenable number.

31301201120009 is a deficient number, since it is larger than the sum of its proper divisors (140364130807).

31301201120009 is a wasteful number, since it uses less digits than its factorization.

31301201120009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 140364130806.

The product of its (nonzero) digits is 324, while the sum is 23.

The spelling of 31301201120009 in words is "thirty-one trillion, three hundred one billion, two hundred one million, one hundred twenty thousand, nine".

Divisors: 1 223 140364130583 31301201120009