1293361031 has 4 divisors (see below), whose sum is σ = 1324906464. Its totient is φ = 1261815600.

The previous prime is 1293361019. The next prime is 1293361051. The reversal of 1293361031 is 1301633921.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1293361031 is a prime.

It is a super-2 number, since 2×1293361031² = 3345565513018765922, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1293360985 and 1293361003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1293361051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15772655 + ... + 15772736.

It is an arithmetic number, because the mean of its divisors is an integer number (331226616).

Almost surely, 2^1293361031 is an apocalyptic number.

1293361031 is a deficient number, since it is larger than the sum of its proper divisors (31545433).

1293361031 is an equidigital number, since it uses as much as digits as its factorization.

1293361031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31545432.

The product of its (nonzero) digits is 2916, while the sum is 29.

The square root of 1293361031 is about 35963.3289754995. The cubic root of 1293361031 is about 1089.5318335675.

Adding to 1293361031 its reverse (1301633921), we get a palindrome (2594994952).

The spelling of 1293361031 in words is "one billion, two hundred ninety-three million, three hundred sixty-one thousand, thirty-one".