1351330544231 has 4 divisors (see below), whose sum is σ = 1359620915832. Its totient is φ = 1343040172632.

The previous prime is 1351330544219. The next prime is 1351330544251. The reversal of 1351330544231 is 1324450331531.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1351330544231 - 2⁶ = 1351330544167 is a prime.

It is a super-2 number, since 2×1351330544231² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1351330544191 and 1351330544200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1351330544251) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4145185556 + ... + 4145185881.

It is an arithmetic number, because the mean of its divisors is an integer number (339905228958).

Almost surely, 2^{1351330544231} is an apocalyptic number.

1351330544231 is a deficient number, since it is larger than the sum of its proper divisors (8290371601).

1351330544231 is an equidigital number, since it uses as much as digits as its factorization.

1351330544231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8290371600.

The product of its (nonzero) digits is 64800, while the sum is 35.

Adding to 1351330544231 its reverse (1324450331531), we get a palindrome (2675780875762).

The spelling of 1351330544231 in words is "one trillion, three hundred fifty-one billion, three hundred thirty million, five hundred forty-four thousand, two hundred thirty-one".