1031222231013 has 32 divisors (see below), whose sum is σ = 1484739809280. Its totient is φ = 632881287360.

The previous prime is 1031222231009. The next prime is 1031222231027. The reversal of 1031222231013 is 3101322221301.

It is not a de Polignac number, because 1031222231013 - 2² = 1031222231009 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1031222231213) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 29836020 + ... + 29870562.

It is an arithmetic number, because the mean of its divisors is an integer number (46398119040).

Almost surely, 2^{1031222231013} is an apocalyptic number.

1031222231013 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

1031222231013 is a deficient number, since it is larger than the sum of its proper divisors (453517578267).

1031222231013 is a wasteful number, since it uses less digits than its factorization.

1031222231013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36609.

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

Adding to 1031222231013 its reverse (3101322221301), we get a palindrome (4132544452314).

The spelling of 1031222231013 in words is "one trillion, thirty-one billion, two hundred twenty-two million, two hundred thirty-one thousand, thirteen".