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31023022122032 = 242384301690549
BaseRepresentation
bin1110000110111000111000…
…01101101010010000110000
311001211202211202022011021112
413003130130031222100300
513031240122130401112
6145551440221412452
76351224260062443
oct703343415522060
9131752752264245
1031023022122032
119980876245a86
12359057740a128
1314405c62411b5
147937451dd65a
1538bea776ea22
hex1c371c36a430

31023022122032 has 20 divisors (see below), whose sum is σ = 62720457769200. Its totient is φ = 14837097536448.

The previous prime is 31023022122031. The next prime is 31023022122047. The reversal of 31023022122032 is 23022122032013.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a junction number, because it is equal to n+sod(n) for n = 31023022121989 and 31023022122007.

It is not an unprimeable number, because it can be changed into a prime (31023022122031) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 42150844907 + ... + 42150845642.

It is an arithmetic number, because the mean of its divisors is an integer number (3136022888460).

Almost surely, 231023022122032 is an apocalyptic number.

It is an amenable number.

31023022122032 is an abundant number, since it is smaller than the sum of its proper divisors (31697435647168).

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

31023022122032 is a wasteful number, since it uses less digits than its factorization.

31023022122032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84301690580 (or 84301690574 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 23.

Adding to 31023022122032 its reverse (23022122032013), we get a palindrome (54045144154045).

The spelling of 31023022122032 in words is "thirty-one trillion, twenty-three billion, twenty-two million, one hundred twenty-two thousand, thirty-two".

Divisors: 1 2 4 8 16 23 46 92 184 368 84301690549 168603381098 337206762196 674413524392 1348827048784 1938938882627 3877877765254 7755755530508 15511511061016 31023022122032