31474406311 has 2 divisors, whose sum is σ = 31474406312. Its totient is φ = 31474406310.

The previous prime is 31474406303. The next prime is 31474406329. The reversal of 31474406311 is 11360447413.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 31474406311 - 2³ = 31474406303 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (31444406311) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15737203155 + 15737203156.

It is an arithmetic number, because the mean of its divisors is an integer number (15737203156).

Almost surely, 2^31474406311 is an apocalyptic number.

31474406311 is a deficient number, since it is larger than the sum of its proper divisors (1).

31474406311 is an equidigital number, since it uses as much as digits as its factorization.

31474406311 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 24192, while the sum is 34.

The spelling of 31474406311 in words is "thirty-one billion, four hundred seventy-four million, four hundred six thousand, three hundred eleven".