1301311021230 has 64 divisors (see below), whose sum is σ = 3785632070400. Its totient is φ = 315469337760.

The previous prime is 1301311021189. The next prime is 1301311021247. The reversal of 1301311021230 is 321201131031.

1301311021230 is a `hidden beast` number, since 1 + 301 + 3 + 110 + 21 + 230 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 219072960 + ... + 219078899.

It is an arithmetic number, because the mean of its divisors is an integer number (59150501100).

Almost surely, 2^{1301311021230} is an apocalyptic number.

1301311021230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1301311021230 is an abundant number, since it is smaller than the sum of its proper divisors (2484321049170).

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

1301311021230 is a wasteful number, since it uses less digits than its factorization.

1301311021230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 438151886 (or 438151880 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

Adding to 1301311021230 its reverse (321201131031), we get a palindrome (1622512152261).

The spelling of 1301311021230 in words is "one trillion, three hundred one billion, three hundred eleven million, twenty-one thousand, two hundred thirty".