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31461356054 = 215730678027
BaseRepresentation
bin11101010011001111…
…100011001000010110
310000012121002111000102
4131103033203020112
51003413101343204
622241514014102
72162433054062
oct352317431026
9100177074012
1031461356054
111238512a507
126120417332
132c75076b1b
14174656caa2
15c4208d41e
hex7533e3216

31461356054 has 4 divisors (see below), whose sum is σ = 47192034084. Its totient is φ = 15730678026.

The previous prime is 31461356041. The next prime is 31461356123. The reversal of 31461356054 is 45065316413.

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

It is a super-3 number, since 3×314613560543 (a number of 32 digits) contains 333 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 31461355999 and 31461356017.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7865339012 + ... + 7865339015.

It is an arithmetic number, because the mean of its divisors is an integer number (11798008521).

Almost surely, 231461356054 is an apocalyptic number.

31461356054 is a deficient number, since it is larger than the sum of its proper divisors (15730678030).

31461356054 is a wasteful number, since it uses less digits than its factorization.

31461356054 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15730678029.

The product of its (nonzero) digits is 129600, while the sum is 38.

The spelling of 31461356054 in words is "thirty-one billion, four hundred sixty-one million, three hundred fifty-six thousand, fifty-four".

Divisors: 1 2 15730678027 31461356054