1031421424231 has 8 divisors (see below), whose sum is σ = 1131924657024. Its totient is φ = 932041132920.

The previous prime is 1031421424213. The next prime is 1031421424259. The reversal of 1031421424231 is 1324241241301.

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 a de Polignac number, because none of the positive numbers 2^k-1031421424231 is a prime.

It is a super-2 number, since 2×1031421424231² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1031421424231.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1031421424031) 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 7 ways as a sum of consecutive naturals, for example, 280733445 + ... + 280737118.

It is an arithmetic number, because the mean of its divisors is an integer number (141490582128).

Almost surely, 2^{1031421424231} is an apocalyptic number.

1031421424231 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1031421424231 is a deficient number, since it is larger than the sum of its proper divisors (100503232793).

1031421424231 is a wasteful number, since it uses less digits than its factorization.

1031421424231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 561470741.

The product of its (nonzero) digits is 4608, while the sum is 28.

Adding to 1031421424231 its reverse (1324241241301), we get a palindrome (2355662665532).

The spelling of 1031421424231 in words is "one trillion, thirty-one billion, four hundred twenty-one million, four hundred twenty-four thousand, two hundred thirty-one".