1031020220103 has 8 divisors (see below), whose sum is σ = 1406663246208. Its totient is φ = 671362003704.

The previous prime is 1031020220099. The next prime is 1031020220137. The reversal of 1031020220103 is 3010220201301.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1031020220103 - 2² = 1031020220099 is a prime.

It is a super-2 number, since 2×1031020220103² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1031020220173) 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, 3996202275 + ... + 3996202532.

It is an arithmetic number, because the mean of its divisors is an integer number (175832905776).

Almost surely, 2^{1031020220103} is an apocalyptic number.

1031020220103 is a deficient number, since it is larger than the sum of its proper divisors (375643026105).

1031020220103 is an equidigital number, since it uses as much as digits as its factorization.

1031020220103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7992404853.

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 1031020220103 its reverse (3010220201301), we get a palindrome (4041240421404).

The spelling of 1031020220103 in words is "one trillion, thirty-one billion, twenty million, two hundred twenty thousand, one hundred three".