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31231523314196 = 2237269978185923
BaseRepresentation
bin1110001100111101001111…
…10110100101101000010100
311002120201000120002011001222
413012132213312211220110
513043144124432023241
6150231321433505512
76402255156010322
oct706364766455024
9132521016064058
1031231523314196
119a5123a785727
123604a65b72298
13145717388509a
1479d884370d12
1539260c1e0a4b
hex1c67a7da5a14

31231523314196 has 24 divisors (see below), whose sum is σ = 56153130616800. Its totient is φ = 15188084464032.

The previous prime is 31231523314181. The next prime is 31231523314261. The reversal of 31231523314196 is 69141332513213.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 38693510 + ... + 39492413.

It is an arithmetic number, because the mean of its divisors is an integer number (2339713775700).

Almost surely, 231231523314196 is an apocalyptic number.

It is an amenable number.

31231523314196 is a deficient number, since it is larger than the sum of its proper divisors (24921607302604).

31231523314196 is a wasteful number, since it uses less digits than its factorization.

31231523314196 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78188663 (or 78188661 counting only the distinct ones).

The product of its digits is 349920, while the sum is 44.

The spelling of 31231523314196 in words is "thirty-one trillion, two hundred thirty-one billion, five hundred twenty-three million, three hundred fourteen thousand, one hundred ninety-six".

Divisors: 1 2 4 37 74 148 2699 5398 10796 99863 199726 399452 78185923 156371846 312743692 2892879151 5785758302 11571516604 211023806177 422047612354 844095224708 7807880828549 15615761657098 31231523314196