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31011514542132 = 2232584292878511
BaseRepresentation
bin1110000110100011011100…
…10011101110100000110100
311001210200010202202112022120
413003101232103232200310
513031043040210322012
6145542254302155540
76350336145213015
oct703215623564064
9131720122675276
1031011514542132
119976a00543973
12358a2a5582bb0
13143c4b1109617
14792d72b6300c
1538ba3236b58c
hex1c346e4ee834

31011514542132 has 12 divisors (see below), whose sum is σ = 72360200598336. Its totient is φ = 10337171514040.

The previous prime is 31011514542103. The next prime is 31011514542139. The reversal of 31011514542132 is 23124541511013.

It is a tau number, because it is divible by the number of its divisors (12).

It is a junction number, because it is equal to n+sod(n) for n = 31011514542093 and 31011514542102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31011514542139) 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, 1292146439244 + ... + 1292146439267.

It is an arithmetic number, because the mean of its divisors is an integer number (6030016716528).

Almost surely, 231011514542132 is an apocalyptic number.

It is an amenable number.

31011514542132 is an abundant number, since it is smaller than the sum of its proper divisors (41348686056204).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

31011514542132 is a wasteful number, since it uses less digits than its factorization.

31011514542132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2584292878518 (or 2584292878516 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 33.

The spelling of 31011514542132 in words is "thirty-one trillion, eleven billion, five hundred fourteen million, five hundred forty-two thousand, one hundred thirty-two".

Divisors: 1 2 3 4 6 12 2584292878511 5168585757022 7752878635533 10337171514044 15505757271066 31011514542132