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31214130420412 = 2238332035881191
BaseRepresentation
bin1110001100011100110110…
…01001111101101010111100
311002112001010102021121012201
413012032123021331222330
513042403014341423122
6150215323515441244
76401101151602222
oct706163311755274
9132461112247181
1031214130420412
119a44924965145
123601611156224
13145563136aa64
1479cab441ab12
15391e402aaa27
hex1c639b27dabc

31214130420412 has 12 divisors (see below), whose sum is σ = 54638979430896. Its totient is φ = 15602993440160.

The previous prime is 31214130420391. The next prime is 31214130420503. The reversal of 31214130420412 is 21402403141213.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1017925264 + ... + 1017955927.

It is an arithmetic number, because the mean of its divisors is an integer number (4553248285908).

Almost surely, 231214130420412 is an apocalyptic number.

It is an amenable number.

31214130420412 is a deficient number, since it is larger than the sum of its proper divisors (23424849010484).

31214130420412 is a wasteful number, since it uses less digits than its factorization.

31214130420412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2035885028 (or 2035885026 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 28.

Adding to 31214130420412 its reverse (21402403141213), we get a palindrome (52616533561625).

The spelling of 31214130420412 in words is "thirty-one trillion, two hundred fourteen billion, one hundred thirty million, four hundred twenty thousand, four hundred twelve".

Divisors: 1 2 4 3833 7666 15332 2035881191 4071762382 8143524764 7803532605103 15607065210206 31214130420412