1302311023 has 8 divisors (see below), whose sum is σ = 1447730816. Its totient is φ = 1163354400.

The previous prime is 1302310987. The next prime is 1302311041. The reversal of 1302311023 is 3201132031.

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

It is a de Polignac number, because none of the positive numbers 2^k-1302311023 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1302310988 and 1302311006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1302311723) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1615368 + ... + 1616173.

It is an arithmetic number, because the mean of its divisors is an integer number (180966352).

Almost surely, 2^1302311023 is an apocalyptic number.

1302311023 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

1302311023 is a deficient number, since it is larger than the sum of its proper divisors (145419793).

1302311023 is a wasteful number, since it uses less digits than its factorization.

1302311023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3231585.

The product of its (nonzero) digits is 108, while the sum is 16.

The square root of 1302311023 is about 36087.5466470083. The cubic root of 1302311023 is about 1092.0392268890.

Adding to 1302311023 its reverse (3201132031), we get a palindrome (4503443054).

The spelling of 1302311023 in words is "one billion, three hundred two million, three hundred eleven thousand, twenty-three".