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1131212010031 = 17312146512353
BaseRepresentation
bin10000011101100001011…
…111010111001000101111
311000010212002222011022021
4100131201133113020233
5122013210233310111
62223401023131011
7144504326302225
oct20354137271057
94003762864267
101131212010031
113a6820764104
121632a0743a67
13828992ab26c
143ca7288ab15
151e65abd8d71
hex107617d722f

1131212010031 has 8 divisors (see below), whose sum is σ = 1236391115904. Its totient is φ = 1030325928960.

The previous prime is 1131212009957. The next prime is 1131212010059. The reversal of 1131212010031 is 1300102121311.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 1131212010031 - 215 = 1131211977263 is a prime.

It is a super-2 number, since 2×11312120100312 (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1131212009987 and 1131212010014.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1131212040031) 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, 1073255650 + ... + 1073256703.

It is an arithmetic number, because the mean of its divisors is an integer number (154548889488).

Almost surely, 21131212010031 is an apocalyptic number.

1131212010031 is a deficient number, since it is larger than the sum of its proper divisors (105179105873).

1131212010031 is a wasteful number, since it uses less digits than its factorization.

1131212010031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2146512401.

The product of its (nonzero) digits is 36, while the sum is 16.

Adding to 1131212010031 its reverse (1300102121311), we get a palindrome (2431314131342).

The spelling of 1131212010031 in words is "one trillion, one hundred thirty-one billion, two hundred twelve million, ten thousand, thirty-one".

Divisors: 1 17 31 527 2146512353 36490710001 66541882943 1131212010031