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31023112132002 = 238958095715603
BaseRepresentation
bin1110000110111001000011…
…00101000001010110100010
311001211210002000200010202010
413003130201211001112202
513031240313201211002
6145551453154533350
76351226432126254
oct703344145012642
9131753060603663
1031023112132002
119980912033891
1235905a1597256
13144060ba97833
1479375314dcd4
1538beb05ee46c
hex1c37219415a2

31023112132002 has 16 divisors (see below), whose sum is σ = 62743372852320. Its totient is φ = 10224845945952.

The previous prime is 31023112131971. The next prime is 31023112132039. The reversal of 31023112132002 is 20023121132013.

It is a self number, because there is not a number n which added to its sum of digits gives 31023112132002.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29047857268 + ... + 29047858335.

It is an arithmetic number, because the mean of its divisors is an integer number (3921460803270).

Almost surely, 231023112132002 is an apocalyptic number.

31023112132002 is an abundant number, since it is smaller than the sum of its proper divisors (31720260720318).

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

31023112132002 is a wasteful number, since it uses less digits than its factorization.

31023112132002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58095715697.

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 31023112132002 its reverse (20023121132013), we get a palindrome (51046233264015).

The spelling of 31023112132002 in words is "thirty-one trillion, twenty-three billion, one hundred twelve million, one hundred thirty-two thousand, two".

Divisors: 1 2 3 6 89 178 267 534 58095715603 116191431206 174287146809 348574293618 5170518688667 10341037377334 15511556066001 31023112132002