1342644603431 has 4 divisors (see below), whose sum is σ = 1362684075192. Its totient is φ = 1322605131672.

The previous prime is 1342644603403. The next prime is 1342644603449. The reversal of 1342644603431 is 1343064462431.

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 1342644603431 - 2¹⁴ = 1342644587047 is a prime.

It is a super-2 number, since 2×1342644603431² (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 (1342644603401) 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, 10019735780 + ... + 10019735913.

It is an arithmetic number, because the mean of its divisors is an integer number (340671018798).

Almost surely, 2^{1342644603431} is an apocalyptic number.

1342644603431 is a deficient number, since it is larger than the sum of its proper divisors (20039471761).

1342644603431 is an equidigital number, since it uses as much as digits as its factorization.

1342644603431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20039471760.

The product of its (nonzero) digits is 497664, while the sum is 41.

The spelling of 1342644603431 in words is "one trillion, three hundred forty-two billion, six hundred forty-four million, six hundred three thousand, four hundred thirty-one".