1231131401130 has 32 divisors (see below), whose sum is σ = 2958882854400. Its totient is φ = 327838652352.

The previous prime is 1231131401081. The next prime is 1231131401153. The reversal of 1231131401130 is 311041311321.

It is a junction number, because it is equal to n+sod(n) for n = 1231131401097 and 1231131401106.

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, 28919290 + ... + 28961829.

It is an arithmetic number, because the mean of its divisors is an integer number (92465089200).

Almost surely, 2^{1231131401130} is an apocalyptic number.

1231131401130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1231131401130 is an abundant number, since it is smaller than the sum of its proper divisors (1727751453270).

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

1231131401130 is a wasteful number, since it uses less digits than its factorization.

1231131401130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57881838.

The product of its (nonzero) digits is 216, while the sum is 21.

Adding to 1231131401130 its reverse (311041311321), we get a palindrome (1542172712451).

The spelling of 1231131401130 in words is "one trillion, two hundred thirty-one billion, one hundred thirty-one million, four hundred one thousand, one hundred thirty".