1231430314111 has 2 divisors, whose sum is σ = 1231430314112. Its totient is φ = 1231430314110.

The previous prime is 1231430314099. The next prime is 1231430314133. The reversal of 1231430314111 is 1114130341321.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1231430314111 - 2¹⁵ = 1231430281343 is a prime.

It is a super-2 number, since 2×1231430314111² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1231430314211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 615715157055 + 615715157056.

It is an arithmetic number, because the mean of its divisors is an integer number (615715157056).

Almost surely, 2^{1231430314111} is an apocalyptic number.

1231430314111 is a deficient number, since it is larger than the sum of its proper divisors (1).

1231430314111 is an equidigital number, since it uses as much as digits as its factorization.

1231430314111 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 864, while the sum is 25.

Adding to 1231430314111 its reverse (1114130341321), we get a palindrome (2345560655432).

The spelling of 1231430314111 in words is "one trillion, two hundred thirty-one billion, four hundred thirty million, three hundred fourteen thousand, one hundred eleven".