31474802011 has 2 divisors, whose sum is σ = 31474802012. Its totient is φ = 31474802010.

The previous prime is 31474801999. The next prime is 31474802069. The reversal of 31474802011 is 11020847413.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 31474802011 - 2³³ = 22884867419 is a prime.

It is not a weakly prime, because it can be changed into another prime (31474802311) 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, 15737401005 + 15737401006.

It is an arithmetic number, because the mean of its divisors is an integer number (15737401006).

Almost surely, 2^31474802011 is an apocalyptic number.

31474802011 is a deficient number, since it is larger than the sum of its proper divisors (1).

31474802011 is an equidigital number, since it uses as much as digits as its factorization.

31474802011 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5376, while the sum is 31.

The spelling of 31474802011 in words is "thirty-one billion, four hundred seventy-four million, eight hundred two thousand, eleven".