1016223131 has 16 divisors (see below), whose sum is σ = 1269795840. Its totient is φ = 790102080.

The previous prime is 1016223097. The next prime is 1016223179. The reversal of 1016223131 is 1313226101.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1016223131 is a prime.

It is a super-2 number, since 2×1016223131² = 2065418903958886322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1016223181) 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, 20750 + ... + 49628.

It is an arithmetic number, because the mean of its divisors is an integer number (79362240).

Almost surely, 2^1016223131 is an apocalyptic number.

1016223131 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1016223131 is a deficient number, since it is larger than the sum of its proper divisors (253572709).

1016223131 is a wasteful number, since it uses less digits than its factorization.

1016223131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29354.

The product of its (nonzero) digits is 216, while the sum is 20.

The square root of 1016223131 is about 31878.2548298993. The cubic root of 1016223131 is about 1005.3787277510.

Adding to 1016223131 its reverse (1313226101), we get a palindrome (2329449232).

The spelling of 1016223131 in words is "one billion, sixteen million, two hundred twenty-three thousand, one hundred thirty-one".