1031023132221 has 16 divisors (see below), whose sum is σ = 1397515731840. Its totient is φ = 675944195520.

The previous prime is 1031023132187. The next prime is 1031023132247. The reversal of 1031023132221 is 1222313201301.

It is not a de Polignac number, because 1031023132221 - 2⁷ = 1031023132093 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1031023182221) 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, 343600 + ... + 1476518.

It is an arithmetic number, because the mean of its divisors is an integer number (87344733240).

Almost surely, 2^{1031023132221} is an apocalyptic number.

It is an amenable number.

1031023132221 is a deficient number, since it is larger than the sum of its proper divisors (366492599619).

1031023132221 is a wasteful number, since it uses less digits than its factorization.

1031023132221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1137956.

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 1031023132221 its reverse (1222313201301), we get a palindrome (2253336333522).

It can be divided in two parts, 103102 and 3132221, that added together give a palindrome (3235323).

The spelling of 1031023132221 in words is "one trillion, thirty-one billion, twenty-three million, one hundred thirty-two thousand, two hundred twenty-one".