1331123131130 has 16 divisors (see below), whose sum is σ = 2580330992904. Its totient is φ = 491491617600.

The previous prime is 1331123131099. The next prime is 1331123131199. The reversal of 1331123131130 is 311313211331.

It can be written as a sum of positive squares in 4 ways, for example, as 1157498408641 + 173624722489 = 1075871^2 + 416683^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1331123131096 and 1331123131105.

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, 5119704221 + ... + 5119704480.

Almost surely, 2^{1331123131130} is an apocalyptic number.

1331123131130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1331123131130 is a deficient number, since it is larger than the sum of its proper divisors (1249207861774).

1331123131130 is a wasteful number, since it uses less digits than its factorization.

1331123131130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10239408721.

The product of its (nonzero) digits is 486, while the sum is 23.

Adding to 1331123131130 its reverse (311313211331), we get a palindrome (1642436342461).

The spelling of 1331123131130 in words is "one trillion, three hundred thirty-one billion, one hundred twenty-three million, one hundred thirty-one thousand, one hundred thirty".