1310212221031 has 12 divisors (see below), whose sum is σ = 1604341496280. Its totient is φ = 1063931727600.

The previous prime is 1310212220969. The next prime is 1310212221037. The reversal of 1310212221031 is 1301222120131.

It is not a de Polignac number, because 1310212221031 - 2⁹ = 1310212220519 is a prime.

It is a super-2 number, since 2×1310212221031² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1310212221037) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 703657620 + ... + 703659481.

It is an arithmetic number, because the mean of its divisors is an integer number (133695124690).

Almost surely, 2^{1310212221031} is an apocalyptic number.

1310212221031 is a deficient number, since it is larger than the sum of its proper divisors (294129275249).

1310212221031 is a wasteful number, since it uses less digits than its factorization.

1310212221031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1407317134 (or 1407317127 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 1310212221031 its reverse (1301222120131), we get a palindrome (2611434341162).

The spelling of 1310212221031 in words is "one trillion, three hundred ten billion, two hundred twelve million, two hundred twenty-one thousand, thirty-one".