29191431011 has 2 divisors, whose sum is σ = 29191431012. Its totient is φ = 29191431010.

The previous prime is 29191431007. The next prime is 29191431029. The reversal of 29191431011 is 11013419192.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 29191431011 - 2² = 29191431007 is a prime.

It is not a weakly prime, because it can be changed into another prime (29191430011) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14595715505 + 14595715506.

It is an arithmetic number, because the mean of its divisors is an integer number (14595715506).

Almost surely, 2^29191431011 is an apocalyptic number.

29191431011 is a deficient number, since it is larger than the sum of its proper divisors (1).

29191431011 is an equidigital number, since it uses as much as digits as its factorization.

29191431011 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1944, while the sum is 32.

The spelling of 29191431011 in words is "twenty-nine billion, one hundred ninety-one million, four hundred thirty-one thousand, eleven".