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40697301431 is a prime number
BaseRepresentation
bin100101111001101111…
…111000100110110111
310220001021011010020102
4211321233320212313
51131322002121211
630410204224315
72640342232403
oct457157704667
9126037133212
1040697301431
1116294624a16
127a7953b09b
133ab7688567
141d81042103
1510d2d24a3b
hex979bf89b7

40697301431 has 2 divisors, whose sum is σ = 40697301432. Its totient is φ = 40697301430.

The previous prime is 40697301373. The next prime is 40697301461. The reversal of 40697301431 is 13410379604.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 40697301431 - 214 = 40697285047 is a prime.

It is a super-2 number, since 2×406973014312 (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40697301461) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20348650715 + 20348650716.

It is an arithmetic number, because the mean of its divisors is an integer number (20348650716).

Almost surely, 240697301431 is an apocalyptic number.

40697301431 is a deficient number, since it is larger than the sum of its proper divisors (1).

40697301431 is an equidigital number, since it uses as much as digits as its factorization.

40697301431 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 54432, while the sum is 38.

The spelling of 40697301431 in words is "forty billion, six hundred ninety-seven million, three hundred one thousand, four hundred thirty-one".