1310031213 has 8 divisors (see below), whose sum is σ = 1793916768. Its totient is φ = 849749904.

The previous prime is 1310031211. The next prime is 1310031223. The reversal of 1310031213 is 3121300131.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1310031213 - 2¹ = 1310031211 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1310031192 and 1310031201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1310031211) 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, 5900931 + ... + 5901152.

It is an arithmetic number, because the mean of its divisors is an integer number (224239596).

Almost surely, 2^1310031213 is an apocalyptic number.

It is an amenable number.

1310031213 is a deficient number, since it is larger than the sum of its proper divisors (483885555).

1310031213 is a wasteful number, since it uses less digits than its factorization.

1310031213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11802123.

The product of its (nonzero) digits is 54, while the sum is 15.

The square root of 1310031213 is about 36194.3533303194. The cubic root of 1310031213 is about 1094.1928715670.

Adding to 1310031213 its reverse (3121300131), we get a palindrome (4431331344).

The spelling of 1310031213 in words is "one billion, three hundred ten million, thirty-one thousand, two hundred thirteen".