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31063409321472 = 293411294157269
BaseRepresentation
bin1110001000000100000110…
…11110100110011000000000
311001222122002101221110120000
413010002003132212120000
513032420330241241342
6150022155551320000
76354154145442543
oct704020336463000
9131878071843500
1031063409321472
119996a10816760
123598368b20000
1314443615a2848
14795696d9c85a
1538d06d23c44c
hex1c40837a6600

31063409321472 has 800 divisors, whose sum is σ = 107186472439200. Its totient is φ = 8866735718400.

The previous prime is 31063409321423. The next prime is 31063409321491. The reversal of 31063409321472 is 27412390436013.

31063409321472 is a `hidden beast` number, since 3 + 1 + 0 + 6 + 340 + 93 + 214 + 7 + 2 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 542383654 + ... + 542440922.

It is an arithmetic number, because the mean of its divisors is an integer number (133983090549).

Almost surely, 231063409321472 is an apocalyptic number.

31063409321472 is a gapful number since it is divisible by the number (32) 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 31063409321472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (53593236219600).

31063409321472 is an abundant number, since it is smaller than the sum of its proper divisors (76123063117728).

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

31063409321472 is a wasteful number, since it uses less digits than its factorization.

31063409321472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57380 (or 57355 counting only the distinct ones).

The product of its (nonzero) digits is 653184, while the sum is 45.

Adding to 31063409321472 its reverse (27412390436013), we get a palindrome (58475799757485).

The spelling of 31063409321472 in words is "thirty-one trillion, sixty-three billion, four hundred nine million, three hundred twenty-one thousand, four hundred seventy-two".