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40070204231 is a prime number
BaseRepresentation
bin100101010100010111…
…101100101101000111
310211102120011021121012
4211110113230231013
51124030433013411
630224043312435
72615656054601
oct452427545507
9124376137535
1040070204231
1115aa2649572
12792351b71b
133a17793025
141d21a44171
151097c5318b
hex9545ecb47

40070204231 has 2 divisors, whose sum is σ = 40070204232. Its totient is φ = 40070204230.

The previous prime is 40070204221. The next prime is 40070204257. The reversal of 40070204231 is 13240207004.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 40070204231 - 210 = 40070203207 is a prime.

It is a super-2 number, since 2×400702042312 (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 40070204197 and 40070204206.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40070204221) 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 as a sum of consecutive naturals, namely, 20035102115 + 20035102116.

It is an arithmetic number, because the mean of its divisors is an integer number (20035102116).

Almost surely, 240070204231 is an apocalyptic number.

40070204231 is a deficient number, since it is larger than the sum of its proper divisors (1).

40070204231 is an equidigital number, since it uses as much as digits as its factorization.

40070204231 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1344, while the sum is 23.

The spelling of 40070204231 in words is "forty billion, seventy million, two hundred four thousand, two hundred thirty-one".