31400340011 has 2 divisors, whose sum is σ = 31400340012. Its totient is φ = 31400340010.

The previous prime is 31400340007. The next prime is 31400340019. The reversal of 31400340011 is 11004300413.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 31400340011 - 2² = 31400340007 is a prime.

It is not a weakly prime, because it can be changed into another prime (31400340019) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15700170005 + 15700170006.

It is an arithmetic number, because the mean of its divisors is an integer number (15700170006).

Almost surely, 2^31400340011 is an apocalyptic number.

31400340011 is a deficient number, since it is larger than the sum of its proper divisors (1).

31400340011 is an equidigital number, since it uses as much as digits as its factorization.

31400340011 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 31400340011 its reverse (11004300413), we get a palindrome (42404640424).

The spelling of 31400340011 in words is "thirty-one billion, four hundred million, three hundred forty thousand, eleven".