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31434828031 is a prime number
BaseRepresentation
bin11101010001101010…
…010110100011111111
310000010202011201102001
4131101222112203333
51003334303444111
622235125243131
72161661425645
oct352152264377
9100122151361
1031434828031
1112371160622
1261135634a7
132c6c719279
141742c25195
15c3ea9d1c1
hex751a968ff

31434828031 has 2 divisors, whose sum is σ = 31434828032. Its totient is φ = 31434828030.

The previous prime is 31434828013. The next prime is 31434828053. The reversal of 31434828031 is 13082843413.

It is a happy number.

Together with previous prime (31434828013) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 31434828031 - 25 = 31434827999 is a prime.

It is a super-2 number, since 2×314348280312 (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 (31434828431) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15717414015 + 15717414016.

It is an arithmetic number, because the mean of its divisors is an integer number (15717414016).

Almost surely, 231434828031 is an apocalyptic number.

31434828031 is a deficient number, since it is larger than the sum of its proper divisors (1).

31434828031 is an equidigital number, since it uses as much as digits as its factorization.

31434828031 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 55296, while the sum is 37.

It can be divided in two parts, 3143482 and 8031, that added together give a palindrome (3151513).

The spelling of 31434828031 in words is "thirty-one billion, four hundred thirty-four million, eight hundred twenty-eight thousand, thirty-one".