1301031020 has 24 divisors (see below), whose sum is σ = 2735923344. Its totient is φ = 519696576.

The previous prime is 1301031019. The next prime is 1301031073. The reversal of 1301031020 is 201301031.

It is a junction number, because it is equal to n+sod(n) for n = 1301030992 and 1301031010.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29714 + ... + 59033.

It is an arithmetic number, because the mean of its divisors is an integer number (113996806).

Almost surely, 2^1301031020 is an apocalyptic number.

1301031020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1301031020 is an abundant number, since it is smaller than the sum of its proper divisors (1434892324).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1301031020 is a wasteful number, since it uses less digits than its factorization.

1301031020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89489 (or 89487 counting only the distinct ones).

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

The square root of 1301031020 is about 36069.8075958273. The cubic root of 1301031020 is about 1091.6813319191.

Adding to 1301031020 its reverse (201301031), we get a palindrome (1502332051).

The spelling of 1301031020 in words is "one billion, three hundred one million, thirty-one thousand, twenty".