1031103202031 has 8 divisors (see below), whose sum is σ = 1180581859104. Its totient is φ = 882169094880.

The previous prime is 1031103202009. The next prime is 1031103202049. The reversal of 1031103202031 is 1302023011301.

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-1031103202031 is a prime.

It is a super-2 number, since 2×1031103202031² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1031103202631) 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, 136133420 + ... + 136140993.

It is an arithmetic number, because the mean of its divisors is an integer number (147572732388).

Almost surely, 2^{1031103202031} is an apocalyptic number.

1031103202031 is a deficient number, since it is larger than the sum of its proper divisors (149478657073).

1031103202031 is an equidigital number, since it uses as much as digits as its factorization.

1031103202031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 272274961.

The product of its (nonzero) digits is 108, while the sum is 17.

Adding to 1031103202031 its reverse (1302023011301), we get a palindrome (2333126213332).

The spelling of 1031103202031 in words is "one trillion, thirty-one billion, one hundred three million, two hundred two thousand, thirty-one".