1016213131 has 8 divisors (see below), whose sum is σ = 1091146464. Its totient is φ = 942963840.

The previous prime is 1016213123. The next prime is 1016213137. The reversal of 1016213131 is 1313126101.

1016213131 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 1016213131 - 2³ = 1016213123 is a prime.

It is a super-2 number, since 2×1016213131² = 2065378255233646322, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1016213099 and 1016213108.

It is not an unprimeable number, because it can be changed into a prime (1016213137) 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, 419760 + ... + 422173.

It is an arithmetic number, because the mean of its divisors is an integer number (136393308).

Almost surely, 2^1016213131 is an apocalyptic number.

1016213131 is a deficient number, since it is larger than the sum of its proper divisors (74933333).

1016213131 is an equidigital number, since it uses as much as digits as its factorization.

1016213131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 842021.

The product of its (nonzero) digits is 108, while the sum is 19.

The square root of 1016213131 is about 31878.0979827844. The cubic root of 1016213131 is about 1005.3754299778.

Adding to 1016213131 its reverse (1313126101), we get a palindrome (2329339232).

The spelling of 1016213131 in words is "one billion, sixteen million, two hundred thirteen thousand, one hundred thirty-one".