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10033012031 = 71433287433
BaseRepresentation
bin10010101100000001…
…11001110100111111
3221220012212211010012
421112000321310333
5131021422341111
64335322133435
7503425123640
oct112600716477
927805784105
1010033012031
114289412489
121b4005127b
13c3b7a8413
146b26b76c7
153dac2e48b
hex256039d3f

10033012031 has 4 divisors (see below), whose sum is σ = 11466299472. Its totient is φ = 8599724592.

The previous prime is 10033012007. The next prime is 10033012037. The reversal of 10033012031 is 13021033001.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 10033012031 - 222 = 10028817727 is a prime.

It is a super-2 number, since 2×100330120312 (a number of 21 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 = 10033011997 and 10033012015.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10033012037) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 716643710 + ... + 716643723.

It is an arithmetic number, because the mean of its divisors is an integer number (2866574868).

Almost surely, 210033012031 is an apocalyptic number.

10033012031 is a deficient number, since it is larger than the sum of its proper divisors (1433287441).

10033012031 is an equidigital number, since it uses as much as digits as its factorization.

10033012031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1433287440.

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

Adding to 10033012031 its reverse (13021033001), we get a palindrome (23054045032).

The spelling of 10033012031 in words is "ten billion, thirty-three million, twelve thousand, thirty-one".

Divisors: 1 7 1433287433 10033012031