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1030202031111 = 311238831537163
BaseRepresentation
bin11101111110111001101…
…00110111110000000111
310122111010112212120102220
432333130310313300013
5113334323204443421
62105133540503423
7134300236531611
oct16773464676007
93574115776386
101030202031111
113679a7209990
121477b06aab73
13761bc479576
1437c0d641db1
151bbe7e9b3c6
hexefdcd37c07

1030202031111 has 32 divisors (see below), whose sum is σ = 1565398628352. Its totient is φ = 596541828960.

The previous prime is 1030202031077. The next prime is 1030202031113. The reversal of 1030202031111 is 1111302020301.

It is a happy number.

It is not a de Polignac number, because 1030202031111 - 27 = 1030202030983 is a prime.

It is a super-2 number, since 2×10302020311112 (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1030202031113) 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, 98385 + ... + 1438778.

It is an arithmetic number, because the mean of its divisors is an integer number (48918707136).

Almost surely, 21030202031111 is an apocalyptic number.

1030202031111 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1030202031111 is a deficient number, since it is larger than the sum of its proper divisors (535196597241).

1030202031111 is a wasteful number, since it uses less digits than its factorization.

1030202031111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1538083.

The product of its (nonzero) digits is 36, while the sum is 15.

Adding to 1030202031111 its reverse (1111302020301), we get a palindrome (2141504051412).

The spelling of 1030202031111 in words is "one trillion, thirty billion, two hundred two million, thirty-one thousand, one hundred eleven".

Divisors: 1 3 11 23 33 69 253 759 883 2649 9713 20309 29139 60927 223399 670197 1537163 4611489 16908793 35354749 50726379 106064247 388902239 1166706717 1357314929 4071944787 14930464219 31218243367 44791392657 93654730101 343400677037 1030202031111