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1031041111 = 14919136229
BaseRepresentation
bin111101011101000…
…111000001010111
32122212002022111211
4331131013001113
54102421303421
6250150442251
734356463522
oct7535070127
92585068454
101031041111
11489aa54a1
12249363387
131357b7cc9
149ad0bbb9
15607b39e1
hex3d747057

1031041111 has 8 divisors (see below), whose sum is σ = 1043424000. Its totient is φ = 1018731360.

The previous prime is 1031041097. The next prime is 1031041159. The reversal of 1031041111 is 1111401301.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 1031041111 - 229 = 494170199 is a prime.

It is a super-2 number, since 2×10310411112 = 2126091545144228642, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1031041091 and 1031041100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1031041181) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10345 + ... + 46573.

It is an arithmetic number, because the mean of its divisors is an integer number (130428000).

Almost surely, 21031041111 is an apocalyptic number.

1031041111 is a deficient number, since it is larger than the sum of its proper divisors (12382889).

1031041111 is a wasteful number, since it uses less digits than its factorization.

1031041111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36569.

The product of its (nonzero) digits is 12, while the sum is 13.

The square root of 1031041111 is about 32109.8288846266. The cubic root of 1031041111 is about 1010.2417847441.

Adding to 1031041111 its reverse (1111401301), we get a palindrome (2142442412).

The spelling of 1031041111 in words is "one billion, thirty-one million, forty-one thousand, one hundred eleven".

Divisors: 1 149 191 28459 36229 5398121 6919739 1031041111