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31330130232000 = 263532357553849
BaseRepresentation
bin1110001111110100111010…
…10010001000001011000000
311002221010112122101120210210
413013322131102020023000
513101303101314411000
6150344510234154120
76412345555664565
oct707723522101300
9132833478346723
1031330130232000
119a8a040817526
12361bba5282940
131463559898a22
147a455a3a086c
15394e7dea0350
hex1c7e9d4882c0

31330130232000 has 224 divisors, whose sum is σ = 103496168318400. Its totient is φ = 8351141683200.

The previous prime is 31330130231993. The next prime is 31330130232031. The reversal of 31330130232000 is 23203103313.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 56291076 + ... + 56844924.

Almost surely, 231330130232000 is an apocalyptic number.

31330130232000 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 31330130232000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (51748084159200).

31330130232000 is an abundant number, since it is smaller than the sum of its proper divisors (72166038086400).

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

31330130232000 is a wasteful number, since it uses less digits than its factorization.

31330130232000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 556236 (or 556216 counting only the distinct ones).

The product of its (nonzero) digits is 972, while the sum is 21.

Adding to 31330130232000 its reverse (23203103313), we get a palindrome (31353333335313).

The spelling of 31330130232000 in words is "thirty-one trillion, three hundred thirty billion, one hundred thirty million, two hundred thirty-two thousand".