1031201323103 has 64 divisors (see below), whose sum is σ = 1300745246976. Its totient is φ = 797368320000.

The previous prime is 1031201323081. The next prime is 1031201323121. The reversal of 1031201323103 is 3013231021301.

1031201323103 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 1031201323103 - 2¹² = 1031201319007 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1031201323153) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 368153303 + ... + 368156103.

It is an arithmetic number, because the mean of its divisors is an integer number (20324144484).

Almost surely, 2^{1031201323103} is an apocalyptic number.

1031201323103 is a deficient number, since it is larger than the sum of its proper divisors (269543923873).

1031201323103 is a wasteful number, since it uses less digits than its factorization.

1031201323103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4164.

The product of its (nonzero) digits is 324, while the sum is 20.

Adding to 1031201323103 its reverse (3013231021301), we get a palindrome (4044432344404).

The spelling of 1031201323103 in words is "one trillion, thirty-one billion, two hundred one million, three hundred twenty-three thousand, one hundred three".