1131401442430 has 32 divisors (see below), whose sum is σ = 2365609394880. Its totient is φ = 381549899520.

The previous prime is 1131401442421. The next prime is 1131401442439. The reversal of 1131401442430 is 342441041311.

It is an interprime number because it is at equal distance from previous prime (1131401442421) and next prime (1131401442439).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1131401442439) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 132478335 + ... + 132486874.

It is an arithmetic number, because the mean of its divisors is an integer number (73925293590).

Almost surely, 2^{1131401442430} is an apocalyptic number.

1131401442430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1131401442430 is an abundant number, since it is smaller than the sum of its proper divisors (1234207952450).

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

1131401442430 is a wasteful number, since it uses less digits than its factorization.

1131401442430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 264965284.

The product of its (nonzero) digits is 4608, while the sum is 28.

Adding to 1131401442430 its reverse (342441041311), we get a palindrome (1473842483741).

The spelling of 1131401442430 in words is "one trillion, one hundred thirty-one billion, four hundred one million, four hundred forty-two thousand, four hundred thirty".