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31030031003232 = 253323229489617
BaseRepresentation
bin1110000111000101111011…
…11110011010111001100000
311001212102221012202012210010
413003202331332122321200
513031344000414100412
6145554555514204520
76351563044431432
oct703427576327140
9131772835665703
1031030031003232
119983842606188
1235919b2723740
131441172336691
14793c0bdcc652
1538c267c4033c
hex1c38bdf9ae60

31030031003232 has 24 divisors (see below), whose sum is σ = 81453831383736. Its totient is φ = 10343343667712.

The previous prime is 31030031003219. The next prime is 31030031003243. The reversal of 31030031003232 is 23230013003013.

It is a tau number, because it is divible by the number of its divisors (24).

It is a junction number, because it is equal to n+sod(n) for n = 31030031003199 and 31030031003208.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 161614744713 + ... + 161614744904.

It is an arithmetic number, because the mean of its divisors is an integer number (3393909640989).

Almost surely, 231030031003232 is an apocalyptic number.

31030031003232 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

31030031003232 is an abundant number, since it is smaller than the sum of its proper divisors (50423800380504).

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

31030031003232 is a wasteful number, since it uses less digits than its factorization.

31030031003232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 323229489630 (or 323229489622 counting only the distinct ones).

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

Adding to 31030031003232 its reverse (23230013003013), we get a palindrome (54260044006245).

The spelling of 31030031003232 in words is "thirty-one trillion, thirty billion, thirty-one million, three thousand, two hundred thirty-two".

Divisors: 1 2 3 4 6 8 12 16 24 32 48 96 323229489617 646458979234 969688468851 1292917958468 1939376937702 2585835916936 3878753875404 5171671833872 7757507750808 10343343667744 15515015501616 31030031003232