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31110232001230 = 2528871077597229
BaseRepresentation
bin1110001001011011010100…
…10100111100101011001110
311002011002221120002001012101
413010231222110330223032
513034202223343014410
6150055502052025314
76360432356605144
oct704555224745316
9132132846061171
1031110232001230
119a04858a17008
1235a545590223a
1314488b3cb4b05
14797a59729594
1538e3adbb3d3a
hex1c4b6a53cace

31110232001230 has 16 divisors (see below), whose sum is σ = 56017814404320. Its totient is φ = 12439782400032.

The previous prime is 31110232001207. The next prime is 31110232001237. The reversal of 31110232001230 is 3210023201113.

It is a junction number, because it is equal to n+sod(n) for n = 31110232001198 and 31110232001207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31110232001237) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 538769745 + ... + 538827484.

It is an arithmetic number, because the mean of its divisors is an integer number (3501113400270).

Almost surely, 231110232001230 is an apocalyptic number.

31110232001230 is a deficient number, since it is larger than the sum of its proper divisors (24907582403090).

31110232001230 is a wasteful number, since it uses less digits than its factorization.

31110232001230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1077600123.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 31110232001230 its reverse (3210023201113), we get a palindrome (34320255202343).

The spelling of 31110232001230 in words is "thirty-one trillion, one hundred ten billion, two hundred thirty-two million, one thousand, two hundred thirty".

Divisors: 1 2 5 10 2887 5774 14435 28870 1077597229 2155194458 5387986145 10775972290 3111023200123 6222046400246 15555116000615 31110232001230