1031241431221 has 8 divisors (see below), whose sum is σ = 1059125535104. Its totient is φ = 1003357996560.

The previous prime is 1031241431201. The next prime is 1031241431249. The reversal of 1031241431221 is 1221341421301.

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 1031241431221 - 2³¹ = 1029093947573 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 (1031241431201) 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, 5706376 + ... + 5884318.

It is an arithmetic number, because the mean of its divisors is an integer number (132390691888).

Almost surely, 2^{1031241431221} is an apocalyptic number.

It is an amenable number.

1031241431221 is a deficient number, since it is larger than the sum of its proper divisors (27884103883).

1031241431221 is a wasteful number, since it uses less digits than its factorization.

1031241431221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 334611.

The product of its (nonzero) digits is 1152, while the sum is 25.

Adding to 1031241431221 its reverse (1221341421301), we get a palindrome (2252582852522).

The spelling of 1031241431221 in words is "one trillion, thirty-one billion, two hundred forty-one million, four hundred thirty-one thousand, two hundred twenty-one".