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40030202031 = 341325448797
BaseRepresentation
bin100101010001111111…
…000110100010101111
310211022202212221220020
4211101333012202233
51123440212431111
630220054053223
72614662050241
oct452177064257
9124282787806
1040030202031
1115a820072a6
12791204a213
133a0c3c84a1
141d1a5d0091
1510944a0906
hex951fc68af

40030202031 has 8 divisors (see below), whose sum is σ = 54675398064. Its totient is φ = 26035903680.

The previous prime is 40030202029. The next prime is 40030202057. The reversal of 40030202031 is 13020203004.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 40030202031 - 21 = 40030202029 is a prime.

It is a super-2 number, since 2×400302020312 (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 40030202031.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40030202021) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 162724276 + ... + 162724521.

It is an arithmetic number, because the mean of its divisors is an integer number (6834424758).

Almost surely, 240030202031 is an apocalyptic number.

40030202031 is a gapful number since it is divisible by the number (41) formed by its first and last digit.

40030202031 is a deficient number, since it is larger than the sum of its proper divisors (14645196033).

40030202031 is a wasteful number, since it uses less digits than its factorization.

40030202031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 325448841.

The product of its (nonzero) digits is 144, while the sum is 15.

Adding to 40030202031 its reverse (13020203004), we get a palindrome (53050405035).

The spelling of 40030202031 in words is "forty billion, thirty million, two hundred two thousand, thirty-one".

Divisors: 1 3 41 123 325448797 976346391 13343400677 40030202031