1301030203031 has 4 divisors (see below), whose sum is σ = 1401109449432. Its totient is φ = 1200950956632.

The previous prime is 1301030203027. The next prime is 1301030203043. The reversal of 1301030203031 is 1303020301031.

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 1301030203031 - 2² = 1301030203027 is a prime.

It is a super-2 number, since 2×1301030203031² (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 (1301030203061) 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, 50039623181 + ... + 50039623206.

It is an arithmetic number, because the mean of its divisors is an integer number (350277362358).

Almost surely, 2^{1301030203031} is an apocalyptic number.

1301030203031 is a deficient number, since it is larger than the sum of its proper divisors (100079246401).

1301030203031 is a wasteful number, since it uses less digits than its factorization.

1301030203031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100079246400.

The product of its (nonzero) digits is 162, while the sum is 17.

Adding to 1301030203031 its reverse (1303020301031), we get a palindrome (2604050504062).

The spelling of 1301030203031 in words is "one trillion, three hundred one billion, thirty million, two hundred three thousand, thirty-one".