1231453010111 has 16 divisors (see below), whose sum is σ = 1270871810208. Its totient is φ = 1192483468800.

The previous prime is 1231453010089. The next prime is 1231453010197. The reversal of 1231453010111 is 1110103541321.

It is a cyclic number.

It is not a de Polignac number, because 1231453010111 - 2²⁶ = 1231385901247 is a prime.

It is a super-2 number, since 2×1231453010111² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1231453010611) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 67456661 + ... + 67474913.

It is an arithmetic number, because the mean of its divisors is an integer number (79429488138).

Almost surely, 2^{1231453010111} is an apocalyptic number.

1231453010111 is a deficient number, since it is larger than the sum of its proper divisors (39418800097).

1231453010111 is a wasteful number, since it uses less digits than its factorization.

1231453010111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30442.

The product of its (nonzero) digits is 360, while the sum is 23.

Adding to 1231453010111 its reverse (1110103541321), we get a palindrome (2341556551432).

The spelling of 1231453010111 in words is "one trillion, two hundred thirty-one billion, four hundred fifty-three million, ten thousand, one hundred eleven".