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31013222103222 = 2319259616596037
BaseRepresentation
bin1110000110100110101000…
…00101100011100010110110
311001210211112202211121202220
413003103110011203202312
513031110034324300342
6145543135541143210
76350426361226152
oct703232405434266
9131724482747686
1031013222103222
1199776a7400887
12358a6a13bab06
13143c6c3b025b8
14793095856062
1538bad22155ec
hex1c34d41638b6

31013222103222 has 192 divisors, whose sum is σ = 67777603027200. Its totient is φ = 9453888380160.

The previous prime is 31013222103217. The next prime is 31013222103287. The reversal of 31013222103222 is 22230122231013.

It is a super-2 number, since 2×310132221032222 (a number of 28 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 31013222103192 and 31013222103201.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 5137187988 + ... + 5137194024.

It is an arithmetic number, because the mean of its divisors is an integer number (353008349100).

Almost surely, 231013222103222 is an apocalyptic number.

31013222103222 is an abundant number, since it is smaller than the sum of its proper divisors (36764380923978).

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

31013222103222 is a wasteful number, since it uses less digits than its factorization.

31013222103222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6859 (or 6840 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 24.

Adding to 31013222103222 its reverse (22230122231013), we get a palindrome (53243344334235).

The spelling of 31013222103222 in words is "thirty-one trillion, thirteen billion, two hundred twenty-two million, one hundred three thousand, two hundred twenty-two".