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31414022141 = 157200089313
BaseRepresentation
bin11101010000011010…
…111110111111111101
310000002022000200002112
4131100122332333331
51003313442202031
622233103303405
72161316532245
oct352032767775
9100068020075
1031414022141
111236043a877
1261085aab65
132c683130a8
14174016ab25
15c3cd3d62b
hex7506beffd

31414022141 has 4 divisors (see below), whose sum is σ = 31614111612. Its totient is φ = 31213932672.

The previous prime is 31414022137. The next prime is 31414022161. The reversal of 31414022141 is 14122041413.

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 16372226116 + 15041796025 = 127954^2 + 122645^2 .

It is a cyclic number.

It is not a de Polignac number, because 31414022141 - 22 = 31414022137 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31414022161) 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, 100044500 + ... + 100044813.

It is an arithmetic number, because the mean of its divisors is an integer number (7903527903).

Almost surely, 231414022141 is an apocalyptic number.

It is an amenable number.

31414022141 is a deficient number, since it is larger than the sum of its proper divisors (200089471).

31414022141 is a wasteful number, since it uses less digits than its factorization.

31414022141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 200089470.

The product of its (nonzero) digits is 768, while the sum is 23.

Adding to 31414022141 its reverse (14122041413), we get a palindrome (45536063554).

The spelling of 31414022141 in words is "thirty-one billion, four hundred fourteen million, twenty-two thousand, one hundred forty-one".

Divisors: 1 157 200089313 31414022141