31010124421 has 8 divisors (see below), whose sum is σ = 31118840064. Its totient is φ = 30901467120.

The previous prime is 31010124419. The next prime is 31010124433. The reversal of 31010124421 is 12442101013.

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

It is a cyclic number.

It is not a de Polignac number, because 31010124421 - 2¹ = 31010124419 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31010124451) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1235620 + ... + 1260466.

It is an arithmetic number, because the mean of its divisors is an integer number (3889855008).

Almost surely, 2^31010124421 is an apocalyptic number.

It is an amenable number.

31010124421 is a deficient number, since it is larger than the sum of its proper divisors (108715643).

31010124421 is a wasteful number, since it uses less digits than its factorization.

31010124421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29171.

The product of its (nonzero) digits is 192, while the sum is 19.

Adding to 31010124421 its reverse (12442101013), we get a palindrome (43452225434).

The spelling of 31010124421 in words is "thirty-one billion, ten million, one hundred twenty-four thousand, four hundred twenty-one".