31463147011 has 2 divisors, whose sum is σ = 31463147012. Its totient is φ = 31463147010.

The previous prime is 31463146969. The next prime is 31463147059. The reversal of 31463147011 is 11074136413.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 31463147011 - 2¹¹ = 31463144963 is a prime.

It is not a weakly prime, because it can be changed into another prime (31463147711) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15731573505 + 15731573506.

It is an arithmetic number, because the mean of its divisors is an integer number (15731573506).

Almost surely, 2^31463147011 is an apocalyptic number.

31463147011 is a deficient number, since it is larger than the sum of its proper divisors (1).

31463147011 is an equidigital number, since it uses as much as digits as its factorization.

31463147011 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6048, while the sum is 31.

The spelling of 31463147011 in words is "thirty-one billion, four hundred sixty-three million, one hundred forty-seven thousand, eleven".