1310012323020 has 72 divisors (see below), whose sum is σ = 4081101473904. Its totient is φ = 339895087488.

The previous prime is 1310012323013. The next prime is 1310012323027. The reversal of 1310012323020 is 203232100131.

1310012323020 is a `hidden beast` number, since 1 + 310 + 0 + 12 + 323 + 0 + 20 = 666.

It is an interprime number because it is at equal distance from previous prime (1310012323013) and next prime (1310012323027).

It is a super-2 number, since 2×1310012323020² (a number of 25 digits) contains 22 as substring.

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

It is a junction number, because it is equal to n+sod(n) for n = 1310012322984 and 1310012323002.

It is not an unprimeable number, because it can be changed into a prime (1310012323027) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 98342614 + ... + 98355933.

Almost surely, 2^{1310012323020} is an apocalyptic number.

1310012323020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1310012323020 is an abundant number, since it is smaller than the sum of its proper divisors (2771089150884).

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

1310012323020 is a wasteful number, since it uses less digits than its factorization.

1310012323020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 196698599 (or 196698594 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 1310012323020 its reverse (203232100131), we get a palindrome (1513244423151).

The spelling of 1310012323020 in words is "one trillion, three hundred ten billion, twelve million, three hundred twenty-three thousand, twenty".