1020314531 has 2 divisors, whose sum is σ = 1020314532. Its totient is φ = 1020314530.

The previous prime is 1020314521. The next prime is 1020314597. The reversal of 1020314531 is 1354130201.

1020314531 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is an emirp because it is prime and its reverse (1354130201) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1020314531 - 2¹⁰ = 1020313507 is a prime.

It is a super-2 number, since 2×1020314531² = 2082083484339499922, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1020314521) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 510157265 + 510157266.

It is an arithmetic number, because the mean of its divisors is an integer number (510157266).

Almost surely, 2^1020314531 is an apocalyptic number.

1020314531 is a deficient number, since it is larger than the sum of its proper divisors (1).

1020314531 is an equidigital number, since it uses as much as digits as its factorization.

1020314531 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 360, while the sum is 20.

The square root of 1020314531 is about 31942.3626396045. The cubic root of 1020314531 is about 1006.7261675696.

Adding to 1020314531 its reverse (1354130201), we get a palindrome (2374444732).

The spelling of 1020314531 in words is "one billion, twenty million, three hundred fourteen thousand, five hundred thirty-one".