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31030110023223 = 323691650812937
BaseRepresentation
bin1110000111000110000101…
…01011110110111000110111
311001212110010201102211211110
413003203002223312320313
513031344131131220343
6145555011420010103
76351565024203423
oct703430253667067
9131773121384743
1031030110023223
119983883178063
123591a15090933
13144118581297c
14793c186bbb83
1538c26eb4d833
hex1c38c2af6e37

31030110023223 has 16 divisors (see below), whose sum is σ = 43234805097216. Its totient is φ = 19758680736960.

The previous prime is 31030110023221. The next prime is 31030110023243. The reversal of 31030110023223 is 32232001103013.

It is not a de Polignac number, because 31030110023223 - 21 = 31030110023221 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 31030110023223.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31030110023221) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 325358790 + ... + 325454147.

It is an arithmetic number, because the mean of its divisors is an integer number (2702175318576).

Almost surely, 231030110023223 is an apocalyptic number.

31030110023223 is a deficient number, since it is larger than the sum of its proper divisors (12204695073993).

31030110023223 is a wasteful number, since it uses less digits than its factorization.

31030110023223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 650813654.

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 31030110023223 its reverse (32232001103013), we get a palindrome (63262111126236).

The spelling of 31030110023223 in words is "thirty-one trillion, thirty billion, one hundred ten million, twenty-three thousand, two hundred twenty-three".

Divisors: 1 3 23 69 691 2073 15893 47679 650812937 1952438811 14968697551 44906092653 449711739467 1349135218401 10343370007741 31030110023223