1301020131020 has 24 divisors (see below), whose sum is σ = 2734746840000. Its totient is φ = 519911944832.

The previous prime is 1301020131007. The next prime is 1301020131049. The reversal of 1301020131020 is 201310201031.

It is a junction number, because it is equal to n+sod(n) for n = 1301020130986 and 1301020131004.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30985220 + ... + 31027179.

It is an arithmetic number, because the mean of its divisors is an integer number (113947785000).

Almost surely, 2^{1301020131020} is an apocalyptic number.

1301020131020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1301020131020 is an abundant number, since it is smaller than the sum of its proper divisors (1433726708980).

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

1301020131020 is a wasteful number, since it uses less digits than its factorization.

1301020131020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62013457 (or 62013455 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 14.

Adding to 1301020131020 its reverse (201310201031), we get a palindrome (1502330332051).

The spelling of 1301020131020 in words is "one trillion, three hundred one billion, twenty million, one hundred thirty-one thousand, twenty".