1231140335034 has 16 divisors (see below), whose sum is σ = 2462676037920. Its totient is φ = 410314217040.

The previous prime is 1231140334997. The next prime is 1231140335057. The reversal of 1231140335034 is 4305330411321.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 1231140334992 and 1231140335010.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16433172 + ... + 16507919.

It is an arithmetic number, because the mean of its divisors is an integer number (153917252370).

Almost surely, 2^{1231140335034} is an apocalyptic number.

1231140335034 is an abundant number, since it is smaller than the sum of its proper divisors (1231535702886).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1231140335034 is a wasteful number, since it uses less digits than its factorization.

1231140335034 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32947325.

The product of its (nonzero) digits is 12960, while the sum is 30.

Adding to 1231140335034 its reverse (4305330411321), we get a palindrome (5536470746355).

The spelling of 1231140335034 in words is "one trillion, two hundred thirty-one billion, one hundred forty million, three hundred thirty-five thousand, thirty-four".