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10031132311 = 28513518461
BaseRepresentation
bin10010101011110011…
…01110111010010111
3221220002100022121221
421111321232322113
5131020432213221
64335213551211
7503403134464
oct112571567227
927802308557
1010031132311
1142883491a2
121b3b4a5507
13c3b29a965
146b234866b
153da9ac541
hex255e6ee97

10031132311 has 4 divisors (see below), whose sum is σ = 10034653624. Its totient is φ = 10027611000.

The previous prime is 10031132297. The next prime is 10031132339. The reversal of 10031132311 is 11323113001.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 11323113001 = 73155111137.

It is a cyclic number.

It is not a de Polignac number, because 10031132311 - 227 = 9896914583 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10031132351) 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, 1756380 + ... + 1762081.

It is an arithmetic number, because the mean of its divisors is an integer number (2508663406).

Almost surely, 210031132311 is an apocalyptic number.

10031132311 is a deficient number, since it is larger than the sum of its proper divisors (3521313).

10031132311 is an equidigital number, since it uses as much as digits as its factorization.

10031132311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3521312.

The product of its (nonzero) digits is 54, while the sum is 16.

Adding to 10031132311 its reverse (11323113001), we get a palindrome (21354245312).

The spelling of 10031132311 in words is "ten billion, thirty-one million, one hundred thirty-two thousand, three hundred eleven".

Divisors: 1 2851 3518461 10031132311