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10331242031 = 113301284521
BaseRepresentation
bin10011001111100101…
…00011111000101111
3222200000001110202202
421213302203320233
5132124244221111
64425054212115
7514006052105
oct114762437057
928600043682
1010331242031
114421798060
122003ab403b
13c88506686
14700149c75
15406eddb3b
hex267ca3e2f

10331242031 has 8 divisors (see below), whose sum is σ = 11273899728. Its totient is φ = 9389160000.

The previous prime is 10331241997. The next prime is 10331242043. The reversal of 10331242031 is 13024213301.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 10331242031 - 226 = 10264133167 is a prime.

It is a super-2 number, since 2×103312420312 (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 = 10331241994 and 10331242012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10331262031) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 105950 + ... + 178571.

It is an arithmetic number, because the mean of its divisors is an integer number (1409237466).

Almost surely, 210331242031 is an apocalyptic number.

10331242031 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

10331242031 is a deficient number, since it is larger than the sum of its proper divisors (942657697).

10331242031 is a wasteful number, since it uses less digits than its factorization.

10331242031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 287833.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 10331242031 its reverse (13024213301), we get a palindrome (23355455332).

The spelling of 10331242031 in words is "ten billion, three hundred thirty-one million, two hundred forty-two thousand, thirty-one".

Divisors: 1 11 3301 36311 284521 3129731 939203821 10331242031