31055423433 has 8 divisors (see below), whose sum is σ = 41412620928. Its totient is φ = 20700920784.

The previous prime is 31055423323. The next prime is 31055423467. The reversal of 31055423433 is 33432455013.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 31055423433 - 2¹⁴ = 31055407049 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 31055423394 and 31055423403.

It is not an unprimeable number, because it can be changed into a prime (31055423033) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 646666 + ... + 693027.

It is an arithmetic number, because the mean of its divisors is an integer number (5176577616).

Almost surely, 2^31055423433 is an apocalyptic number.

It is an amenable number.

31055423433 is a deficient number, since it is larger than the sum of its proper divisors (10357197495).

31055423433 is a wasteful number, since it uses less digits than its factorization.

31055423433 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1347423.

The product of its (nonzero) digits is 64800, while the sum is 33.

Adding to 31055423433 its reverse (33432455013), we get a palindrome (64487878446).

The spelling of 31055423433 in words is "thirty-one billion, fifty-five million, four hundred twenty-three thousand, four hundred thirty-three".