1031320431141 has 128 divisors (see below), whose sum is σ = 1854313316352. Its totient is φ = 492393600000.

The previous prime is 1031320431131. The next prime is 1031320431143. The reversal of 1031320431141 is 1411340231301.

It is a happy number.

It is not a de Polignac number, because 1031320431141 - 2⁵ = 1031320431109 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1031320431143) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 1256175511 + ... + 1256176331.

It is an arithmetic number, because the mean of its divisors is an integer number (14486822784).

Almost surely, 2^{1031320431141} is an apocalyptic number.

1031320431141 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1031320431141 is a deficient number, since it is larger than the sum of its proper divisors (822992885211).

1031320431141 is a wasteful number, since it uses less digits than its factorization.

1031320431141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2163.

The product of its (nonzero) digits is 864, while the sum is 24.

Adding to 1031320431141 its reverse (1411340231301), we get a palindrome (2442660662442).

The spelling of 1031320431141 in words is "one trillion, thirty-one billion, three hundred twenty million, four hundred thirty-one thousand, one hundred forty-one".