31023130233 has 32 divisors (see below), whose sum is σ = 43019786880. Its totient is φ = 19871498240.

The previous prime is 31023130231. The next prime is 31023130267. The reversal of 31023130233 is 33203132013.

It is a cyclic number.

It is not a de Polignac number, because 31023130233 - 2¹ = 31023130231 is a prime.

It is not an unprimeable number, because it can be changed into a prime (31023130231) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2807866 + ... + 2818892.

It is an arithmetic number, because the mean of its divisors is an integer number (1344368340).

Almost surely, 2^31023130233 is an apocalyptic number.

It is an amenable number.

31023130233 is a deficient number, since it is larger than the sum of its proper divisors (11996656647).

31023130233 is a wasteful number, since it uses less digits than its factorization.

31023130233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11417.

The product of its (nonzero) digits is 972, while the sum is 21.

Adding to 31023130233 its reverse (33203132013), we get a palindrome (64226262246).

The spelling of 31023130233 in words is "thirty-one billion, twenty-three million, one hundred thirty thousand, two hundred thirty-three".