1320232000431 has 16 divisors (see below), whose sum is σ = 1772078964480. Its totient is φ = 874270588800.

The previous prime is 1320232000427. The next prime is 1320232000441. The reversal of 1320232000431 is 1340002320231.

It is not a de Polignac number, because 1320232000431 - 2² = 1320232000427 is a prime.

It is a super-2 number, since 2×1320232000431² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1320232000398 and 1320232000407.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1320232000441) 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, 7839196 + ... + 8005838.

It is an arithmetic number, because the mean of its divisors is an integer number (110754935280).

Almost surely, 2^{1320232000431} is an apocalyptic number.

1320232000431 is a deficient number, since it is larger than the sum of its proper divisors (451846964049).

1320232000431 is a wasteful number, since it uses less digits than its factorization.

1320232000431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 184286.

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 1320232000431 its reverse (1340002320231), we get a palindrome (2660234320662).

The spelling of 1320232000431 in words is "one trillion, three hundred twenty billion, two hundred thirty-two million, four hundred thirty-one", and thus it is an aban number.