1313210223031 has 12 divisors (see below), whose sum is σ = 1554348373552. Its totient is φ = 1086794662464.

The previous prime is 1313210223029. The next prime is 1313210223103. The reversal of 1313210223031 is 1303220123131.

It is not a de Polignac number, because 1313210223031 - 2¹ = 1313210223029 is a prime.

It is a super-2 number, since 2×1313210223031² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1313210222993 and 1313210223011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1313210223331) 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, 111528870 + ... + 111540643.

Almost surely, 2^{1313210223031} is an apocalyptic number.

1313210223031 is a deficient number, since it is larger than the sum of its proper divisors (241138150521).

1313210223031 is an equidigital number, since it uses as much as digits as its factorization.

1313210223031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 223069578 (or 223069549 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 22.

Adding to 1313210223031 its reverse (1303220123131), we get a palindrome (2616430346162).

The spelling of 1313210223031 in words is "one trillion, three hundred thirteen billion, two hundred ten million, two hundred twenty-three thousand, thirty-one".