1351112532431 has 8 divisors (see below), whose sum is σ = 1371656296704. Its totient is φ = 1330579883160.

The previous prime is 1351112532421. The next prime is 1351112532439. The reversal of 1351112532431 is 1342352111531.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1351112532431 is a prime.

It is a super-2 number, since 2×1351112532431² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1351112532439) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2533625 + ... + 3020178.

It is an arithmetic number, because the mean of its divisors is an integer number (171457037088).

Almost surely, 2^{1351112532431} is an apocalyptic number.

1351112532431 is a deficient number, since it is larger than the sum of its proper divisors (20543764273).

1351112532431 is an equidigital number, since it uses as much as digits as its factorization.

1351112532431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5557501.

The product of its digits is 10800, while the sum is 32.

Adding to 1351112532431 its reverse (1342352111531), we get a palindrome (2693464643962).

The spelling of 1351112532431 in words is "one trillion, three hundred fifty-one billion, one hundred twelve million, five hundred thirty-two thousand, four hundred thirty-one".