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4042344031 = 1117196716981
BaseRepresentation
bin1111000011110001…
…0100011001011111
3101102201101100112121
43300330110121133
531234320002111
61505041243411
7202113233365
oct36074243137
911381340477
104042344031
1117948859a0
12949933567
134c562915b
142a4c17635
15189d3b871
hexf0f1465f

4042344031 has 32 divisors (see below), whose sum is σ = 4988632320. Its totient is φ = 3227558400.

The previous prime is 4042344023. The next prime is 4042344067. The reversal of 4042344031 is 1304432404.

It is not a de Polignac number, because 4042344031 - 23 = 4042344023 is a prime.

It is a super-2 number, since 2×40423440312 = 32681090529922657922, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 4042343987 and 4042344005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4042344071) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 229561 + ... + 246541.

It is an arithmetic number, because the mean of its divisors is an integer number (155894760).

Almost surely, 24042344031 is an apocalyptic number.

4042344031 is a deficient number, since it is larger than the sum of its proper divisors (946288289).

4042344031 is a wasteful number, since it uses less digits than its factorization.

4042344031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17095.

The product of its (nonzero) digits is 4608, while the sum is 25.

The square root of 4042344031 is about 63579.4308798058. The cubic root of 4042344031 is about 1592.9828151422.

Adding to 4042344031 its reverse (1304432404), we get a palindrome (5346776435).

The spelling of 4042344031 in words is "four billion, forty-two million, three hundred forty-four thousand, thirty-one".

Divisors: 1 11 17 19 67 187 209 323 737 1139 1273 3553 12529 14003 16981 21641 186791 238051 288677 322639 1137727 3175447 3549029 5484863 12514997 19341359 21616813 60333493 212754949 237784943 367485821 4042344031