1031105242421 has 16 divisors (see below), whose sum is σ = 1039079568000. Its totient is φ = 1023162643008.

The previous prime is 1031105242351. The next prime is 1031105242439. The reversal of 1031105242421 is 1242425011301.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 1031105242421 - 2¹⁴ = 1031105226037 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1031105242021) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 130400150 + ... + 130408056.

It is an arithmetic number, because the mean of its divisors is an integer number (64942473000).

Almost surely, 2^{1031105242421} is an apocalyptic number.

It is an amenable number.

1031105242421 is a deficient number, since it is larger than the sum of its proper divisors (7974325579).

1031105242421 is a wasteful number, since it uses less digits than its factorization.

1031105242421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9788.

The product of its (nonzero) digits is 1920, while the sum is 26.

The spelling of 1031105242421 in words is "one trillion, thirty-one billion, one hundred five million, two hundred forty-two thousand, four hundred twenty-one".