31301130233 has 16 divisors (see below), whose sum is σ = 33520435200. Its totient is φ = 29142763920.

The previous prime is 31301130227. The next prime is 31301130293. The reversal of 31301130233 is 33203110313.

It is not a de Polignac number, because 31301130233 - 2¹⁸ = 31300868089 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (31301130293) 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, 249248 + ... + 353166.

It is an arithmetic number, because the mean of its divisors is an integer number (2095027200).

Almost surely, 2^31301130233 is an apocalyptic number.

It is an amenable number.

31301130233 is a deficient number, since it is larger than the sum of its proper divisors (2219304967).

31301130233 is a wasteful number, since it uses less digits than its factorization.

31301130233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104212.

The product of its (nonzero) digits is 486, while the sum is 20.

Adding to 31301130233 its reverse (33203110313), we get a palindrome (64504240546).

The spelling of 31301130233 in words is "thirty-one billion, three hundred one million, one hundred thirty thousand, two hundred thirty-three".