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1031101240131 = 321085910550401
BaseRepresentation
bin11110000000100100110…
…11000101001101000011
310122120110012220010022200
433000102123011031003
5113343143404141011
62105403102004243
7134331435634344
oct17002233051503
93576405803280
101031101240131
11368318850a36
12147a01876683
1376303856c01
1437c96c340cb
151bc4bdbd856
hexf0126c5343

1031101240131 has 12 divisors (see below), whose sum is σ = 1489505754360. Its totient is φ = 687337459200.

The previous prime is 1031101240129. The next prime is 1031101240153. The reversal of 1031101240131 is 1310421011301.

It is a happy number.

It is not a de Polignac number, because 1031101240131 - 21 = 1031101240129 is a prime.

It is a super-2 number, since 2×10311012401312 (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1031101247131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5177470 + ... + 5372931.

It is an arithmetic number, because the mean of its divisors is an integer number (124125479530).

Almost surely, 21031101240131 is an apocalyptic number.

1031101240131 is a deficient number, since it is larger than the sum of its proper divisors (458404514229).

1031101240131 is a wasteful number, since it uses less digits than its factorization.

1031101240131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10561266 (or 10561263 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 18.

Adding to 1031101240131 its reverse (1310421011301), we get a palindrome (2341522251432).

The spelling of 1031101240131 in words is "one trillion, thirty-one billion, one hundred one million, two hundred forty thousand, one hundred thirty-one".

Divisors: 1 3 9 10859 32577 97731 10550401 31651203 94953609 114566804459 343700413377 1031101240131