1020313233 has 16 divisors (see below), whose sum is σ = 1513527360. Its totient is φ = 679330368.

The previous prime is 1020313223. The next prime is 1020313241. The reversal of 1020313233 is 3323130201.

It is not a de Polignac number, because 1020313233 - 2⁶ = 1020313169 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1020313223) 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, 2760 + ... + 45257.

It is an arithmetic number, because the mean of its divisors is an integer number (94595460).

Almost surely, 2^1020313233 is an apocalyptic number.

It is an amenable number.

1020313233 is a deficient number, since it is larger than the sum of its proper divisors (493214127).

1020313233 is an equidigital number, since it uses as much as digits as its factorization.

1020313233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48813 (or 48807 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 18.

The square root of 1020313233 is about 31942.3423217522. The cubic root of 1020313233 is about 1006.7257406649.

Adding to 1020313233 its reverse (3323130201), we get a palindrome (4343443434).

It can be divided in two parts, 10203 and 13233, that added together give a triangular number (23436 = T₂₁₆).

The spelling of 1020313233 in words is "one billion, twenty million, three hundred thirteen thousand, two hundred thirty-three".