1301031213 has 16 divisors (see below), whose sum is σ = 1843745280. Its totient is φ = 813722544.

The previous prime is 1301031209. The next prime is 1301031217. The reversal of 1301031213 is 3121301031.

It is an interprime number because it is at equal distance from previous prime (1301031209) and next prime (1301031217).

It is not a de Polignac number, because 1301031213 - 2² = 1301031209 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1301031192 and 1301031201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1301031217) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 104931 + ... + 116672.

It is an arithmetic number, because the mean of its divisors is an integer number (115234080).

Almost surely, 2^1301031213 is an apocalyptic number.

It is an amenable number.

1301031213 is a deficient number, since it is larger than the sum of its proper divisors (542714067).

1301031213 is a wasteful number, since it uses less digits than its factorization.

1301031213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 221728.

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

The square root of 1301031213 is about 36069.8102711949. The cubic root of 1301031213 is about 1091.6813859005.

Adding to 1301031213 its reverse (3121301031), we get a palindrome (4422332244).

The spelling of 1301031213 in words is "one billion, three hundred one million, thirty-one thousand, two hundred thirteen".