1231013140004 has 12 divisors (see below), whose sum is σ = 2155269897228. Its totient is φ = 615221740800.

The previous prime is 1231013139953. The next prime is 1231013140031. The reversal of 1231013140004 is 4000413101321.

It can be written as a sum of positive squares in 2 ways, for example, as 1064673148900 + 166339991104 = 1031830^2 + 407848^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 71197577 + ... + 71214864.

It is an arithmetic number, because the mean of its divisors is an integer number (179605824769).

Almost surely, 2^{1231013140004} is an apocalyptic number.

It is an amenable number.

1231013140004 is a deficient number, since it is larger than the sum of its proper divisors (924256757224).

1231013140004 is a wasteful number, since it uses less digits than its factorization.

1231013140004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 142414606 (or 142414604 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 1231013140004 its reverse (4000413101321), we get a palindrome (5231426241325).

The spelling of 1231013140004 in words is "one trillion, two hundred thirty-one billion, thirteen million, one hundred forty thousand, four".