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10021033031 is a prime number
BaseRepresentation
bin10010101010100110…
…01101010001000111
3221212101100020000112
421111103031101013
5131010341024111
64334213303235
7503221242512
oct112523152107
927771306015
1010021033031
114282680489
121b38034b1b
13c39172b59
146b0c79d79
153d9b64e8b
hex2554cd447

10021033031 has 2 divisors, whose sum is σ = 10021033032. Its totient is φ = 10021033030.

The previous prime is 10021032943. The next prime is 10021033039. The reversal of 10021033031 is 13033012001.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-10021033031 is a prime.

It is a super-2 number, since 2×100210330312 (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 10021032997 and 10021033015.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10021033039) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5010516515 + 5010516516.

It is an arithmetic number, because the mean of its divisors is an integer number (5010516516).

Almost surely, 210021033031 is an apocalyptic number.

10021033031 is a deficient number, since it is larger than the sum of its proper divisors (1).

10021033031 is an equidigital number, since it uses as much as digits as its factorization.

10021033031 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 54, while the sum is 14.

Adding to 10021033031 its reverse (13033012001), we get a palindrome (23054045032).

The spelling of 10021033031 in words is "ten billion, twenty-one million, thirty-three thousand, thirty-one".