1310211313020 has 72 divisors (see below), whose sum is σ = 3976347866400. Its totient is φ = 349210323840.

The previous prime is 1310211312973. The next prime is 1310211313027. The reversal of 1310211313020 is 203131120131.

1310211313020 is a `hidden beast` number, since 1 + 310 + 21 + 1 + 31 + 302 + 0 = 666.

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 = 1310211312984 and 1310211313002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1310211313027) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1516536 + ... + 2218175.

It is an arithmetic number, because the mean of its divisors is an integer number (55227053700).

Almost surely, 2^{1310211313020} is an apocalyptic number.

1310211313020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1310211313020 is an abundant number, since it is smaller than the sum of its proper divisors (2666136553380).

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

1310211313020 is a wasteful number, since it uses less digits than its factorization.

1310211313020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3736675 (or 3736670 counting only the distinct ones).

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

Adding to 1310211313020 its reverse (203131120131), we get a palindrome (1513342433151).

The spelling of 1310211313020 in words is "one trillion, three hundred ten billion, two hundred eleven million, three hundred thirteen thousand, twenty".