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31242023001 = 337416835903
BaseRepresentation
bin11101000110001010…
…110111000001011001
32222122022101012122000
4131012022313001121
51002440424214001
622204040551213
72154130546110
oct350612670131
988568335560
1031242023001
1112282342322
12607aa82509
132c3b7b0b57
141725396c77
15c2cbb5a86
hex7462b7059

31242023001 has 64 divisors (see below), whose sum is σ = 54275235840. Its totient is φ = 17388708480.

The previous prime is 31242022997. The next prime is 31242023009. The reversal of 31242023001 is 10032024213.

31242023001 is a `hidden beast` number, since 3 + 12 + 420 + 230 + 0 + 1 = 666.

It is not a de Polignac number, because 31242023001 - 22 = 31242022997 is a prime.

It is not an unprimeable number, because it can be changed into a prime (31242023009) 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 63 ways as a sum of consecutive naturals, for example, 5289616 + ... + 5295518.

It is an arithmetic number, because the mean of its divisors is an integer number (848050560).

Almost surely, 231242023001 is an apocalyptic number.

It is an amenable number.

31242023001 is a deficient number, since it is larger than the sum of its proper divisors (23033212839).

31242023001 is a wasteful number, since it uses less digits than its factorization.

31242023001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6643 (or 6637 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 31242023001 its reverse (10032024213), we get a palindrome (41274047214).

The spelling of 31242023001 in words is "thirty-one billion, two hundred forty-two million, twenty-three thousand, one".

Divisors: 1 3 7 9 21 27 41 63 123 189 287 369 683 861 1107 2049 2583 4781 5903 6147 7749 14343 17709 18441 28003 41321 43029 53127 84009 123963 129087 159381 196021 242023 252027 371889 588063 726069 756081 1115667 1694161 1764189 2178207 4031749 5082483 5292567 6534621 12095247 15247449 28222243 36285741 45742347 84666729 108857223 165301709 254000187 495905127 762000561 1157111963 1487715381 3471335889 4463146143 10414007667 31242023001