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31214010230141 = 318922963977723
BaseRepresentation
bin1110001100011100100111…
…11111011110010101111101
311002112000211001010022011012
413012032103333132111331
513042402243104331031
6150215303543405005
76401065162156244
oct706162377362575
9132460731108135
1031214010230141
119a44873033442
123601598a53765
1314556124a835b
1479caa249195b
15391e34968b2b
hex1c6393fde57d

31214010230141 has 32 divisors (see below), whose sum is σ = 32734583884800. Its totient is φ = 29728775831040.

The previous prime is 31214010230111. The next prime is 31214010230173. The reversal of 31214010230141 is 14103201041213.

It is a cyclic number.

It is not a de Polignac number, because 31214010230141 - 230 = 31212936488317 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31214010230111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4041691106 + ... + 4041698828.

It is an arithmetic number, because the mean of its divisors is an integer number (1022955746400).

Almost surely, 231214010230141 is an apocalyptic number.

31214010230141 is a gapful number since it is divisible by the number (31) formed by its first and last digit.

It is an amenable number.

31214010230141 is a deficient number, since it is larger than the sum of its proper divisors (1520573654659).

31214010230141 is a wasteful number, since it uses less digits than its factorization.

31214010230141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14469.

The product of its (nonzero) digits is 576, while the sum is 23.

Adding to 31214010230141 its reverse (14103201041213), we get a palindrome (45317211271354).

The spelling of 31214010230141 in words is "thirty-one trillion, two hundred fourteen billion, ten million, two hundred thirty thousand, one hundred forty-one".

Divisors: 1 31 89 229 2759 6397 7099 7723 20381 198307 239413 569333 631811 687347 1464913 1768567 17649323 21307757 45412303 49404031 54825577 130377257 157402463 1531524961 4041694967 4396958759 4879476353 11313523099 136305721529 350719216069 1006903555811 31214010230141