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10312002220031 = 194312621789743
BaseRepresentation
bin1001011000001111001100…
…1110101010111111111111
31100111211002011110020020022
42112003303032222333333
52322422440032020111
633533133551242355
72113006012431041
oct226036316527777
940454064406208
1010312002220031
113316328468926
1211a66508193bb
1359a557718275
142791642a9a91
1512d38b1602db
hex960f33aafff

10312002220031 has 8 divisors (see below), whose sum is σ = 11107174974720. Its totient is φ = 9542073044952.

The previous prime is 10312002220027. The next prime is 10312002220057. The reversal of 10312002220031 is 13002220021301.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 10312002220031 - 22 = 10312002220027 is a prime.

It is a super-2 number, since 2×103120022200312 (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10312002219991 and 10312002220009.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10312002220001) 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, 6310894055 + ... + 6310895688.

It is an arithmetic number, because the mean of its divisors is an integer number (1388396871840).

Almost surely, 210312002220031 is an apocalyptic number.

10312002220031 is a deficient number, since it is larger than the sum of its proper divisors (795172754689).

10312002220031 is a wasteful number, since it uses less digits than its factorization.

10312002220031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12621789805.

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 10312002220031 its reverse (13002220021301), we get a palindrome (23314222241332).

The spelling of 10312002220031 in words is "ten trillion, three hundred twelve billion, two million, two hundred twenty thousand, thirty-one".

Divisors: 1 19 43 817 12621789743 239814005117 542736958949 10312002220031