1311620271130 has 64 divisors (see below), whose sum is σ = 2654835015168. Its totient is φ = 462926280960.

The previous prime is 1311620271121. The next prime is 1311620271139. The reversal of 1311620271130 is 311720261131.

It is an interprime number because it is at equal distance from previous prime (1311620271121) and next prime (1311620271139).

It is a super-2 number, since 2×1311620271130² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1311620271139) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4372732 + ... + 4663048.

It is an arithmetic number, because the mean of its divisors is an integer number (41481797112).

Almost surely, 2^{1311620271130} is an apocalyptic number.

1311620271130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1311620271130 is an abundant number, since it is smaller than the sum of its proper divisors (1343214744038).

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

1311620271130 is a wasteful number, since it uses less digits than its factorization.

1311620271130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 291871.

The product of its (nonzero) digits is 1512, while the sum is 28.

Subtracting from 1311620271130 its reverse (311720261131), we obtain a palindrome (999900009999).

The spelling of 1311620271130 in words is "one trillion, three hundred eleven billion, six hundred twenty million, two hundred seventy-one thousand, one hundred thirty".