1345630134031 has 4 divisors (see below), whose sum is σ = 1351558020312. Its totient is φ = 1339702247752.

The previous prime is 1345630133993. The next prime is 1345630134053. The reversal of 1345630134031 is 1304310365431.

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 1345630134031 - 2¹³ = 1345630125839 is a prime.

It is a super-2 number, since 2×1345630134031² (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 (1345630134061) 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, 2963942800 + ... + 2963943253.

It is an arithmetic number, because the mean of its divisors is an integer number (337889505078).

Almost surely, 2^{1345630134031} is an apocalyptic number.

1345630134031 is a deficient number, since it is larger than the sum of its proper divisors (5927886281).

1345630134031 is an equidigital number, since it uses as much as digits as its factorization.

1345630134031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5927886280.

The product of its (nonzero) digits is 38880, while the sum is 34.

Adding to 1345630134031 its reverse (1304310365431), we get a palindrome (2649940499462).

The spelling of 1345630134031 in words is "one trillion, three hundred forty-five billion, six hundred thirty million, one hundred thirty-four thousand, thirty-one".