2232031313 has 4 divisors (see below), whose sum is σ = 2308997940. Its totient is φ = 2155064688.

The previous prime is 2232031309. The next prime is 2232031339. The reversal of 2232031313 is 3131302322.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1030923664 + 1201107649 = 32108^2 + 34657^2 .

It is a cyclic number.

It is not a de Polignac number, because 2232031313 - 2² = 2232031309 is a prime.

It is a super-3 number, since 3×2232031313³ (a number of 29 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2232051313) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 38483270 + ... + 38483327.

It is an arithmetic number, because the mean of its divisors is an integer number (577249485).

Almost surely, 2^2232031313 is an apocalyptic number.

It is an amenable number.

2232031313 is a deficient number, since it is larger than the sum of its proper divisors (76966627).

2232031313 is an equidigital number, since it uses as much as digits as its factorization.

2232031313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76966626.

The product of its (nonzero) digits is 648, while the sum is 20.

The square root of 2232031313 is about 47244.3786391566. The cubic root of 2232031313 is about 1306.8731267878.

Adding to 2232031313 its reverse (3131302322), we get a palindrome (5363333635).

The spelling of 2232031313 in words is "two billion, two hundred thirty-two million, thirty-one thousand, three hundred thirteen".