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31424233434132 = 2237111131877160343
BaseRepresentation
bin1110010010100100001100…
…10001010110110000010100
311010021010102212011120002110
413021102012101112300110
513104323312224343012
6150500032112311020
76422216541004560
oct711220621266024
9133233385146073
1031424233434132
11a015a40600060
123636288242470
13146c3a5804856
147a8d261d86a0
1539763a68a73c
hex1c9486456c14

31424233434132 has 192 divisors, whose sum is σ = 92274652237824. Its totient is φ = 8085546792960.

The previous prime is 31424233434091. The next prime is 31424233434161. The reversal of 31424233434132 is 23143433242413.

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 195901153 + ... + 196061495.

It is an arithmetic number, because the mean of its divisors is an integer number (480597147072).

Almost surely, 231424233434132 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 31424233434132, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (46137326118912).

31424233434132 is an abundant number, since it is smaller than the sum of its proper divisors (60850418803692).

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

31424233434132 is a wasteful number, since it uses less digits than its factorization.

31424233434132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 162358 (or 162356 counting only the distinct ones).

The product of its digits is 497664, while the sum is 39.

Adding to 31424233434132 its reverse (23143433242413), we get a palindrome (54567666676545).

The spelling of 31424233434132 in words is "thirty-one trillion, four hundred twenty-four billion, two hundred thirty-three million, four hundred thirty-four thousand, one hundred thirty-two".