1356031321133 has 4 divisors (see below), whose sum is σ = 1399774267008. Its totient is φ = 1312288375260.

The previous prime is 1356031321129. The next prime is 1356031321147. The reversal of 1356031321133 is 3311231306531.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1356031321133 - 2² = 1356031321129 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1356031321133.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1356031321193) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21871472891 + ... + 21871472952.

It is an arithmetic number, because the mean of its divisors is an integer number (349943566752).

Almost surely, 2^{1356031321133} is an apocalyptic number.

It is an amenable number.

1356031321133 is a deficient number, since it is larger than the sum of its proper divisors (43742945875).

1356031321133 is an equidigital number, since it uses as much as digits as its factorization.

1356031321133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43742945874.

The product of its (nonzero) digits is 14580, while the sum is 32.

Adding to 1356031321133 its reverse (3311231306531), we get a palindrome (4667262627664).

The spelling of 1356031321133 in words is "one trillion, three hundred fifty-six billion, thirty-one million, three hundred twenty-one thousand, one hundred thirty-three".