1302311213 has 8 divisors (see below), whose sum is σ = 1500076032. Its totient is φ = 1107476496.

The previous prime is 1302311183. The next prime is 1302311261. The reversal of 1302311213 is 3121132031.

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

It is not a de Polignac number, because 1302311213 - 2¹⁰ = 1302310189 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1302311191 and 1302311200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1302311293) 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, 731570 + ... + 733347.

It is an arithmetic number, because the mean of its divisors is an integer number (187509504).

Almost surely, 2^1302311213 is an apocalyptic number.

It is an amenable number.

1302311213 is a deficient number, since it is larger than the sum of its proper divisors (197764819).

1302311213 is a wasteful number, since it uses less digits than its factorization.

1302311213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1465051.

The product of its (nonzero) digits is 108, while the sum is 17.

The square root of 1302311213 is about 36087.5492794953. The cubic root of 1302311213 is about 1092.0392799965.

Adding to 1302311213 its reverse (3121132031), we get a palindrome (4423443244).

The spelling of 1302311213 in words is "one billion, three hundred two million, three hundred eleven thousand, two hundred thirteen".