1310111222031 has 8 divisors (see below), whose sum is σ = 1940905514160. Its totient is φ = 873407481336.

The previous prime is 1310111222027. The next prime is 1310111222053. The reversal of 1310111222031 is 1302221110131.

It is not a de Polignac number, because 1310111222031 - 2² = 1310111222027 is a prime.

It is a super-2 number, since 2×1310111222031² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1310111221995 and 1310111222013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1310111222081) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24261318900 + ... + 24261318953.

It is an arithmetic number, because the mean of its divisors is an integer number (242613189270).

Almost surely, 2^{1310111222031} is an apocalyptic number.

1310111222031 is a deficient number, since it is larger than the sum of its proper divisors (630794292129).

1310111222031 is an equidigital number, since it uses as much as digits as its factorization.

1310111222031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48522637862 (or 48522637856 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 18.

Adding to 1310111222031 its reverse (1302221110131), we get a palindrome (2612332332162).

The spelling of 1310111222031 in words is "one trillion, three hundred ten billion, one hundred eleven million, two hundred twenty-two thousand, thirty-one".