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31522114989 = 3231112982491
BaseRepresentation
bin11101010110110111…
…010100110110101101
310000100211102100121100
4131112313110312231
51004024130134424
622251524153313
72164101361611
oct352667246655
9100324370540
1031522114989
1112406459602
126138838839
132c8482b361
141750667341
15c47590dc9
hex756dd4dad

31522114989 has 12 divisors (see below), whose sum is σ = 47000716672. Its totient is φ = 20336848200.

The previous prime is 31522114931. The next prime is 31522114999. The reversal of 31522114989 is 98941122513.

31522114989 is a `hidden beast` number, since 3 + 1 + 522 + 1 + 1 + 49 + 89 = 666.

It is not a de Polignac number, because 31522114989 - 216 = 31522049453 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 (31522114999) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 56490967 + ... + 56491524.

Almost surely, 231522114989 is an apocalyptic number.

It is an amenable number.

31522114989 is a deficient number, since it is larger than the sum of its proper divisors (15478601683).

31522114989 is a wasteful number, since it uses less digits than its factorization.

31522114989 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 112982528 (or 112982525 counting only the distinct ones).

The product of its digits is 155520, while the sum is 45.

The spelling of 31522114989 in words is "thirty-one billion, five hundred twenty-two million, one hundred fourteen thousand, nine hundred eighty-nine".

Divisors: 1 3 9 31 93 279 112982491 338947473 1016842419 3502457221 10507371663 31522114989