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31302033132 = 22319464929531
BaseRepresentation
bin11101001001101111…
…110001111011101100
32222210111022001001110
4131021233301323230
51003101310030012
622214023112020
72155456614546
oct351157617354
988714261043
1031302033132
11123031aa877
126096ba2610
132c4b0625c6
14172d338696
15c330bb73c
hex749bf1eec

31302033132 has 48 divisors (see below), whose sum is σ = 76901328000. Its totient is φ = 9882391680.

The previous prime is 31302033121. The next prime is 31302033163. The reversal of 31302033132 is 23133020313.

It is a junction number, because it is equal to n+sod(n) for n = 31302033099 and 31302033108.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1045207 + ... + 1074737.

It is an arithmetic number, because the mean of its divisors is an integer number (1602111000).

Almost surely, 231302033132 is an apocalyptic number.

It is an amenable number.

31302033132 is an abundant number, since it is smaller than the sum of its proper divisors (45599294868).

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

31302033132 is a wasteful number, since it uses less digits than its factorization.

31302033132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34206 (or 34204 counting only the distinct ones).

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

Adding to 31302033132 its reverse (23133020313), we get a palindrome (54435053445).

The spelling of 31302033132 in words is "thirty-one billion, three hundred two million, thirty-three thousand, one hundred thirty-two".

Divisors: 1 2 3 4 6 12 19 38 57 76 114 228 4649 9298 13947 18596 27894 29531 55788 59062 88331 88593 118124 176662 177186 264993 353324 354372 529986 561089 1059972 1122178 1683267 2244356 3366534 6733068 137289619 274579238 411868857 549158476 823737714 1647475428 2608502761 5217005522 7825508283 10434011044 15651016566 31302033132