3130764821 has 2 divisors, whose sum is σ = 3130764822. Its totient is φ = 3130764820.

The previous prime is 3130764787. The next prime is 3130764823. The reversal of 3130764821 is 1284670313.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1617165796 + 1513599025 = 40214^2 + 38905^2 .

It is a cyclic number.

It is not a de Polignac number, because 3130764821 - 2¹⁴ = 3130748437 is a prime.

It is a super-2 number, since 2×3130764821² = 19603376728822324082, which contains 22 as substring.

Together with 3130764823, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3130764823) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1565382410 + 1565382411.

It is an arithmetic number, because the mean of its divisors is an integer number (1565382411).

Almost surely, 2^3130764821 is an apocalyptic number.

It is an amenable number.

3130764821 is a deficient number, since it is larger than the sum of its proper divisors (1).

3130764821 is an equidigital number, since it uses as much as digits as its factorization.

3130764821 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 24192, while the sum is 35.

The square root of 3130764821 is about 55953.2378062253. The cubic root of 3130764821 is about 1462.9073269308.

The spelling of 3130764821 in words is "three billion, one hundred thirty million, seven hundred sixty-four thousand, eight hundred twenty-one".