1300120031 has 8 divisors (see below), whose sum is σ = 1499001504. Its totient is φ = 1104526080.

The previous prime is 1300120013. The next prime is 1300120123. The reversal of 1300120031 is 1300210031.

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

It is not a de Polignac number, because 1300120031 - 2²⁶ = 1233011167 is a prime.

It is a super-2 number, since 2×1300120031² = 3380624190014881922, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1300119994 and 1300120021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1300120231) 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, 821030 + ... + 822611.

It is an arithmetic number, because the mean of its divisors is an integer number (187375188).

Almost surely, 2^1300120031 is an apocalyptic number.

1300120031 is a deficient number, since it is larger than the sum of its proper divisors (198881473).

1300120031 is a wasteful number, since it uses less digits than its factorization.

1300120031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1643761.

The product of its (nonzero) digits is 18, while the sum is 11.

The square root of 1300120031 is about 36057.1772467008. The cubic root of 1300120031 is about 1091.4264720220.

Adding to 1300120031 its reverse (1300210031), we get a palindrome (2600330062).

Subtracting 1300120031 from its reverse (1300210031), we obtain a square (90000 = 300²).

The spelling of 1300120031 in words is "one billion, three hundred million, one hundred twenty thousand, thirty-one".