1550421241031 has 8 divisors (see below), whose sum is σ = 1757562540720. Its totient is φ = 1355833959552.

The previous prime is 1550421241027. The next prime is 1550421241043. The reversal of 1550421241031 is 1301421240551.

It is a happy number.

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 1550421241031 - 2² = 1550421241027 is a prime.

It is a super-2 number, since 2×1550421241031² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1550421240985 and 1550421241003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1550421241331) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3138504290 + ... + 3138504783.

It is an arithmetic number, because the mean of its divisors is an integer number (219695317590).

Almost surely, 2^{1550421241031} is an apocalyptic number.

1550421241031 is a deficient number, since it is larger than the sum of its proper divisors (207141299689).

1550421241031 is a wasteful number, since it uses less digits than its factorization.

1550421241031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6277009105.

The product of its (nonzero) digits is 4800, while the sum is 29.

Adding to 1550421241031 its reverse (1301421240551), we get a palindrome (2851842481582).

The spelling of 1550421241031 in words is "one trillion, five hundred fifty billion, four hundred twenty-one million, two hundred forty-one thousand, thirty-one".