1301031023 has 4 divisors (see below), whose sum is σ = 1369506360. Its totient is φ = 1232555688.

The previous prime is 1301031019. The next prime is 1301031073. The reversal of 1301031023 is 3201301031.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3201301031 = 27073 ⋅118247.

It is not a de Polignac number, because 1301031023 - 2² = 1301031019 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1301030989 and 1301031007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1301031073) 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, 34237640 + ... + 34237677.

It is an arithmetic number, because the mean of its divisors is an integer number (342376590).

Almost surely, 2^1301031023 is an apocalyptic number.

1301031023 is a deficient number, since it is larger than the sum of its proper divisors (68475337).

1301031023 is an equidigital number, since it uses as much as digits as its factorization.

1301031023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68475336.

The product of its (nonzero) digits is 54, while the sum is 14.

The square root of 1301031023 is about 36069.8076374133. The cubic root of 1301031023 is about 1091.6813327582.

Adding to 1301031023 its reverse (3201301031), we get a palindrome (4502332054).

The spelling of 1301031023 in words is "one billion, three hundred one million, thirty-one thousand, twenty-three".