1345133031 has 8 divisors (see below), whose sum is σ = 1956557184. Its totient is φ = 815232120.

The previous prime is 1345133003. The next prime is 1345133033. The reversal of 1345133031 is 1303315431.

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

It is not a de Polignac number, because 1345133031 - 2⁹ = 1345132519 is a prime.

It is a super-2 number, since 2×1345133031² = 3618765742174493922, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1345132992 and 1345133010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1345133033) 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, 20380771 + ... + 20380836.

It is an arithmetic number, because the mean of its divisors is an integer number (244569648).

Almost surely, 2^1345133031 is an apocalyptic number.

1345133031 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1345133031 is a deficient number, since it is larger than the sum of its proper divisors (611424153).

1345133031 is a wasteful number, since it uses less digits than its factorization.

1345133031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40761621.

The product of its (nonzero) digits is 1620, while the sum is 24.

The square root of 1345133031 is about 36676.0552813413. The cubic root of 1345133031 is about 1103.8796972001.

Adding to 1345133031 its reverse (1303315431), we get a palindrome (2648448462).

The spelling of 1345133031 in words is "one billion, three hundred forty-five million, one hundred thirty-three thousand, thirty-one".