1031220213013 has 8 divisors (see below), whose sum is σ = 1039118579136. Its totient is φ = 1023322248000.

The previous prime is 1031220212941. The next prime is 1031220213031. The reversal of 1031220213013 is 3103120221301.

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-1031220213013 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 (1031220213043) 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, 6951213 + ... + 7098013.

It is an arithmetic number, because the mean of its divisors is an integer number (129889822392).

Almost surely, 2^{1031220213013} is an apocalyptic number.

It is an amenable number.

1031220213013 is a deficient number, since it is larger than the sum of its proper divisors (7898366123).

1031220213013 is a wasteful number, since it uses less digits than its factorization.

1031220213013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 200555.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 1031220213013 its reverse (3103120221301), we get a palindrome (4134340434314).

The spelling of 1031220213013 in words is "one trillion, thirty-one billion, two hundred twenty million, two hundred thirteen thousand, thirteen".