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10031103031 is a prime number
BaseRepresentation
bin10010101011110011…
…00111110000110111
3221220002021211110111
421111321213300313
5131020430244111
64335213203451
7503402653225
oct112571476067
927802254414
1010031103031
1142883291a4
121b3b490587
13c3b28a531
146b233bb15
153da9a3a21
hex255e67c37

10031103031 has 2 divisors, whose sum is σ = 10031103032. Its totient is φ = 10031103030.

The previous prime is 10031103023. The next prime is 10031103053. The reversal of 10031103031 is 13030113001.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 10031103031 - 23 = 10031103023 is a prime.

It is a super-2 number, since 2×100311030312 (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10031103331) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5015551515 + 5015551516.

It is an arithmetic number, because the mean of its divisors is an integer number (5015551516).

Almost surely, 210031103031 is an apocalyptic number.

10031103031 is a deficient number, since it is larger than the sum of its proper divisors (1).

10031103031 is an equidigital number, since it uses as much as digits as its factorization.

10031103031 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 27, while the sum is 13.

Adding to 10031103031 its reverse (13030113001), we get a palindrome (23061216032).

The spelling of 10031103031 in words is "ten billion, thirty-one million, one hundred three thousand, thirty-one".