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1030131193 = 71341927017
BaseRepresentation
bin111101011001101…
…000110111111001
32122210101002100011
4331121220313321
54102203144233
6250115141521
734345653640
oct7531506771
92583332304
101030131193
114895338a3
12248ba48a1
13135559ab0
149ab52357
15606840cd
hex3d668df9

1030131193 has 16 divisors (see below), whose sum is σ = 1270926720. Its totient is φ = 813073536.

The previous prime is 1030131143. The next prime is 1030131239. The reversal of 1030131193 is 3911310301.

It is a cyclic number.

It is not a de Polignac number, because 1030131193 - 29 = 1030130681 is a prime.

It is a super-2 number, since 2×10301311932 = 2122340549583206498, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1030131103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24621 + ... + 51637.

It is an arithmetic number, because the mean of its divisors is an integer number (79432920).

Almost surely, 21030131193 is an apocalyptic number.

1030131193 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

1030131193 is a deficient number, since it is larger than the sum of its proper divisors (240795527).

1030131193 is a wasteful number, since it uses less digits than its factorization.

1030131193 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27456.

The product of its (nonzero) digits is 243, while the sum is 22.

The square root of 1030131193 is about 32095.6569180318. The cubic root of 1030131193 is about 1009.9445099076.

Adding to 1030131193 its reverse (3911310301), we get a palindrome (4941441494).

The spelling of 1030131193 in words is "one billion, thirty million, one hundred thirty-one thousand, one hundred ninety-three".

Divisors: 1 7 13 91 419 2933 5447 27017 38129 189119 351221 2458547 11320123 79240861 147161599 1030131193