1013431141091 has 2 divisors, whose sum is σ = 1013431141092. Its totient is φ = 1013431141090.

The previous prime is 1013431141087. The next prime is 1013431141153. The reversal of 1013431141091 is 1901411343101.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1013431141091 - 2² = 1013431141087 is a prime.

It is not a weakly prime, because it can be changed into another prime (1013431141291) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 506715570545 + 506715570546.

It is an arithmetic number, because the mean of its divisors is an integer number (506715570546).

Almost surely, 2^{1013431141091} is an apocalyptic number.

1013431141091 is a deficient number, since it is larger than the sum of its proper divisors (1).

1013431141091 is an equidigital number, since it uses as much as digits as its factorization.

1013431141091 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1296, while the sum is 29.

Adding to 1013431141091 its reverse (1901411343101), we get a palindrome (2914842484192).

The spelling of 1013431141091 in words is "one trillion, thirteen billion, four hundred thirty-one million, one hundred forty-one thousand, ninety-one".