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31432052012130 = 232571141353931259
BaseRepresentation
bin1110010010110010110000…
…10010110111010001100010
311010021212121202012110210100
413021121120102313101202
513104440320303342010
6150503404011443230
76422614356554610
oct711313022672142
9133255552173710
1031432052012130
11a019292a24470
1236378aa756516
131470050596773
147a94687586b0
15397946c9b2c0
hex1c96584b7462

31432052012130 has 384 divisors, whose sum is σ = 104406759475200. Its totient is φ = 6370030310400.

The previous prime is 31432052012087. The next prime is 31432052012161. The reversal of 31432052012130 is 3121025023413.

31432052012130 is a `hidden beast` number, since 3 + 1 + 4 + 3 + 2 + 0 + 520 + 1 + 2 + 130 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 31432052012094 and 31432052012103.

It is an unprimeable number.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 1005520441 + ... + 1005551699.

It is an arithmetic number, because the mean of its divisors is an integer number (271892602800).

Almost surely, 231432052012130 is an apocalyptic number.

31432052012130 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 31432052012130, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (52203379737600).

31432052012130 is an abundant number, since it is smaller than the sum of its proper divisors (72974707463070).

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

31432052012130 is a wasteful number, since it uses less digits than its factorization.

31432052012130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34870 (or 34867 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 27.

Adding to 31432052012130 its reverse (3121025023413), we get a palindrome (34553077035543).

The spelling of 31432052012130 in words is "thirty-one trillion, four hundred thirty-two billion, fifty-two million, twelve thousand, one hundred thirty".