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31030110023224 = 2313714202344261
BaseRepresentation
bin1110000111000110000101…
…01011110110111000111000
311001212110010201102211211111
413003203002223312320320
513031344131131220344
6145555011420010104
76351565024203424
oct703430253667070
9131773121384744
1031030110023224
119983883178064
123591a15090934
131441185812980
14793c186bbb84
1538c26eb4d834
hex1c38c2af6e38

31030110023224 has 32 divisors (see below), whose sum is σ = 63539445241440. Its totient is φ = 14119876713600.

The previous prime is 31030110023221. The next prime is 31030110023243. The reversal of 31030110023224 is 42232001103013.

It is a junction number, because it is equal to n+sod(n) for n = 31030110023195 and 31030110023204.

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 pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2101164747 + ... + 2101179514.

It is an arithmetic number, because the mean of its divisors is an integer number (1985607663795).

Almost surely, 231030110023224 is an apocalyptic number.

It is an amenable number.

31030110023224 is an abundant number, since it is smaller than the sum of its proper divisors (32509335218216).

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

31030110023224 is a wasteful number, since it uses less digits than its factorization.

31030110023224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4202344351 (or 4202344347 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 31030110023224 its reverse (42232001103013), we get a palindrome (73262111126237).

The spelling of 31030110023224 in words is "thirty-one trillion, thirty billion, one hundred ten million, twenty-three thousand, two hundred twenty-four".

Divisors: 1 2 4 8 13 26 52 71 104 142 284 568 923 1846 3692 7384 4202344261 8404688522 16809377044 33618754088 54630475393 109260950786 218521901572 298366442531 437043803144 596732885062 1193465770124 2386931540248 3878763752903 7757527505806 15515055011612 31030110023224