31301312229 has 24 divisors (see below), whose sum is σ = 49654332000. Its totient is φ = 18843164640.

The previous prime is 31301312221. The next prime is 31301312233. The reversal of 31301312229 is 92221310313.

It is not a de Polignac number, because 31301312229 - 2³ = 31301312221 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31301312221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1046239 + ... + 1075740.

It is an arithmetic number, because the mean of its divisors is an integer number (2068930500).

Almost surely, 2^31301312229 is an apocalyptic number.

It is an amenable number.

31301312229 is a deficient number, since it is larger than the sum of its proper divisors (18353019771).

31301312229 is a wasteful number, since it uses less digits than its factorization.

31301312229 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2122145 (or 2122142 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 27.

The spelling of 31301312229 in words is "thirty-one billion, three hundred one million, three hundred twelve thousand, two hundred twenty-nine".