1131203312330 has 512 divisors, whose sum is σ = 2831509094400. Its totient is φ = 315502387200.

The previous prime is 1131203312231. The next prime is 1131203312381. The reversal of 1131203312330 is 332133021311.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a junction number, because it is equal to n+sod(n) for n = 1131203312296 and 1131203312305.

It is an unprimeable number.

It is a polite number, since it can be written in 255 ways as a sum of consecutive naturals, for example, 1486469150 + ... + 1486469910.

It is an arithmetic number, because the mean of its divisors is an integer number (5530291200).

Almost surely, 2^{1131203312330} is an apocalyptic number.

1131203312330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1131203312330 is an abundant number, since it is smaller than the sum of its proper divisors (1700305782070).

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

1131203312330 is a wasteful number, since it uses less digits than its factorization.

1131203312330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 950.

The product of its (nonzero) digits is 972, while the sum is 23.

Adding to 1131203312330 its reverse (332133021311), we get a palindrome (1463336333641).

The spelling of 1131203312330 in words is "one trillion, one hundred thirty-one billion, two hundred three million, three hundred twelve thousand, three hundred thirty".