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103020311001 = 37313729311719
BaseRepresentation
bin101111111110001111…
…1010011000111011001
3100211220122220001001010
41133330133103013121
53141441144423001
6115154334444133
710304640123636
oct1377437230731
9324818801033
10103020311001
113a7663094a3
1217b71363649
13993a485b0a
144db423318d
152a2e4918d6
hex17fc7d31d9

103020311001 has 32 divisors (see below), whose sum is σ = 140749136640. Its totient is φ = 67009711104.

The previous prime is 103020310997. The next prime is 103020311003. The reversal of 103020311001 is 100113020301.

It is not a de Polignac number, because 103020311001 - 22 = 103020310997 is a prime.

It is a super-2 number, since 2×1030203110012 (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (103020311003) 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, 8785020 + ... + 8796738.

It is an arithmetic number, because the mean of its divisors is an integer number (4398410520).

Almost surely, 2103020311001 is an apocalyptic number.

It is an amenable number.

103020311001 is a deficient number, since it is larger than the sum of its proper divisors (37728825639).

103020311001 is a wasteful number, since it uses less digits than its factorization.

103020311001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12225.

The product of its (nonzero) digits is 18, while the sum is 12.

Adding to 103020311001 its reverse (100113020301), we get a palindrome (203133331302).

The spelling of 103020311001 in words is "one hundred three billion, twenty million, three hundred eleven thousand, one".

Divisors: 1 3 73 137 219 293 411 879 10001 11719 21389 30003 35157 40141 64167 120423 855487 1605503 2566461 2930293 3433667 4816509 8790879 10301001 117201719 250657691 351605157 470412379 751973073 1411237137 34340103667 103020311001