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31423201379 is a prime number
BaseRepresentation
bin11101010000111110…
…000000000001100011
310000002221022000122022
4131100332000001203
51003323314421004
622234032132055
72161460543003
oct352076000143
9100087260568
1031423201379
111236563a319
12610b69702b
132c6a1a81ab
14174147a003
15c3da532be
hex750f80063

31423201379 has 2 divisors, whose sum is σ = 31423201380. Its totient is φ = 31423201378.

The previous prime is 31423201363. The next prime is 31423201393. The reversal of 31423201379 is 97310232413.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 31423201379 - 24 = 31423201363 is a prime.

It is not a weakly prime, because it can be changed into another prime (31423201309) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15711600689 + 15711600690.

It is an arithmetic number, because the mean of its divisors is an integer number (15711600690).

Almost surely, 231423201379 is an apocalyptic number.

31423201379 is a deficient number, since it is larger than the sum of its proper divisors (1).

31423201379 is an equidigital number, since it uses as much as digits as its factorization.

31423201379 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 27216, while the sum is 35.

The spelling of 31423201379 in words is "thirty-one billion, four hundred twenty-three million, two hundred one thousand, three hundred seventy-nine".