1311130631430 has 48 divisors (see below), whose sum is σ = 3409342073280. Its totient is φ = 349593560064.

The previous prime is 1311130631417. The next prime is 1311130631431. The reversal of 1311130631430 is 341360311131.

1311130631430 is a `hidden beast` number, since 1 + 3 + 1 + 11 + 306 + 314 + 30 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 1311130631394 and 1311130631403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1311130631431) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 89470 + ... + 1621809.

It is an arithmetic number, because the mean of its divisors is an integer number (71027959860).

Almost surely, 2^{1311130631430} is an apocalyptic number.

1311130631430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1311130631430 is an abundant number, since it is smaller than the sum of its proper divisors (2098211441850).

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

1311130631430 is a wasteful number, since it uses less digits than its factorization.

1311130631430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1719805 (or 1719802 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 27.

Adding to 1311130631430 its reverse (341360311131), we get a palindrome (1652490942561).

The spelling of 1311130631430 in words is "one trillion, three hundred eleven billion, one hundred thirty million, six hundred thirty-one thousand, four hundred thirty".