1310223131112 has 128 divisors (see below), whose sum is σ = 3926472560640. Its totient is φ = 356482218240.

The previous prime is 1310223131029. The next prime is 1310223131137. The reversal of 1310223131112 is 2111313220131.

It is a Harshad number since it is a multiple of its sum of digits (21).

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, 1950214 + ... + 2534517.

It is an arithmetic number, because the mean of its divisors is an integer number (30675566880).

Almost surely, 2^{1310223131112} is an apocalyptic number.

1310223131112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1310223131112 is an abundant number, since it is smaller than the sum of its proper divisors (2616249429528).

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

1310223131112 is a wasteful number, since it uses less digits than its factorization.

1310223131112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4484831 (or 4484827 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 21.

Adding to 1310223131112 its reverse (2111313220131), we get a palindrome (3421536351243).

The spelling of 1310223131112 in words is "one trillion, three hundred ten billion, two hundred twenty-three million, one hundred thirty-one thousand, one hundred twelve".