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1030131201 = 311217166931
BaseRepresentation
bin111101011001101…
…000111000000001
32122210101002100110
4331121220320001
54102203144301
6250115141533
734345653651
oct7531507001
92583332313
101030131201
11489533900
12248ba48a9
13135559ab8
149ab52361
15606840d6
hex3d668e01

1030131201 has 24 divisors (see below), whose sum is σ = 1598540832. Its totient is φ = 587593600.

The previous prime is 1030131143. The next prime is 1030131239. The reversal of 1030131201 is 1021310301.

It is not a de Polignac number, because 1030131201 - 210 = 1030130177 is a prime.

It is a super-2 number, since 2×10301312012 = 2122340582547404802, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1030131001) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 77295 + ... + 89636.

It is an arithmetic number, because the mean of its divisors is an integer number (66605868).

Almost surely, 21030131201 is an apocalyptic number.

1030131201 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1030131201 is a deficient number, since it is larger than the sum of its proper divisors (568409631).

1030131201 is a wasteful number, since it uses less digits than its factorization.

1030131201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 166973 (or 166962 counting only the distinct ones).

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

The square root of 1030131201 is about 32095.6570426592. The cubic root of 1030131201 is about 1009.9445125220.

Adding to 1030131201 its reverse (1021310301), we get a palindrome (2051441502).

Subtracting from 1030131201 its reverse (1021310301), we obtain a square (8820900 = 29702).

It can be divided in two parts, 1030 and 131201, that added together give a palindrome (132231).

The spelling of 1030131201 in words is "one billion, thirty million, one hundred thirty-one thousand, two hundred one".

Divisors: 1 3 11 17 33 51 121 187 363 561 2057 6171 166931 500793 1836241 2837827 5508723 8513481 20198651 31216097 60595953 93648291 343377067 1030131201