1320231401430 has 64 divisors (see below), whose sum is σ = 3218314118400. Its totient is φ = 346541019264.

The previous prime is 1320231401429. The next prime is 1320231401443. The reversal of 1320231401430 is 341041320231.

It is a happy number.

It is a super-3 number, since 3×1320231401430³ (a number of 37 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1320231401430.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2375796 + ... + 2878344.

It is an arithmetic number, because the mean of its divisors is an integer number (50286158100).

Almost surely, 2^{1320231401430} is an apocalyptic number.

1320231401430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1320231401430, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1609157059200).

1320231401430 is an abundant number, since it is smaller than the sum of its proper divisors (1898082716970).

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

1320231401430 is a wasteful number, since it uses less digits than its factorization.

1320231401430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 503933.

The product of its (nonzero) digits is 1728, while the sum is 24.

Adding to 1320231401430 its reverse (341041320231), we get a palindrome (1661272721661).

The spelling of 1320231401430 in words is "one trillion, three hundred twenty billion, two hundred thirty-one million, four hundred one thousand, four hundred thirty".