31232330223313 has 16 divisors (see below), whose sum is σ = 33189733442304. Its totient is φ = 29288288643840.

The previous prime is 31232330223277. The next prime is 31232330223433. The reversal of 31232330223313 is 31332203323213.

It is a cyclic number.

It is not a de Polignac number, because 31232330223313 - 2⁹ = 31232330222801 is a prime.

It is not an unprimeable number, because it can be changed into a prime (31232330223113) 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, 334249906 + ... + 334343332.

It is an arithmetic number, because the mean of its divisors is an integer number (2074358340144).

Almost surely, 2^{31232330223313} is an apocalyptic number.

It is an amenable number.

31232330223313 is a deficient number, since it is larger than the sum of its proper divisors (1957403218991).

31232330223313 is a wasteful number, since it uses less digits than its factorization.

31232330223313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 164712.

The product of its (nonzero) digits is 34992, while the sum is 31.

Adding to 31232330223313 its reverse (31332203323213), we get a palindrome (62564533546526).

The spelling of 31232330223313 in words is "thirty-one trillion, two hundred thirty-two billion, three hundred thirty million, two hundred twenty-three thousand, three hundred thirteen".