1231440111034 has 32 divisors (see below), whose sum is σ = 2113179949440. Its totient is φ = 527225352192.

The previous prime is 1231440111017. The next prime is 1231440111043. The reversal of 1231440111034 is 4301110441321.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 83690062 + ... + 83704774.

It is an arithmetic number, because the mean of its divisors is an integer number (66036873420).

Almost surely, 2^{1231440111034} is an apocalyptic number.

1231440111034 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

1231440111034 is a deficient number, since it is larger than the sum of its proper divisors (881739838406).

1231440111034 is a wasteful number, since it uses less digits than its factorization.

1231440111034 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20374.

The product of its (nonzero) digits is 1152, while the sum is 25.

Adding to 1231440111034 its reverse (4301110441321), we get a palindrome (5532550552355).

The spelling of 1231440111034 in words is "one trillion, two hundred thirty-one billion, four hundred forty million, one hundred eleven thousand, thirty-four".