1000031231031 has 16 divisors (see below), whose sum is σ = 1532665542144. Its totient is φ = 568143257184.

The previous prime is 1000031231011. The next prime is 1000031231041. The reversal of 1000031231031 is 1301321300001.

1000031231031 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 1000031231031 - 2⁵ = 1000031230999 is a prime.

It is a super-2 number, since 2×1000031231031² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1000031231031.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1000031231011) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 137627971 + ... + 137635236.

It is an arithmetic number, because the mean of its divisors is an integer number (95791596384).

Almost surely, 2^{1000031231031} is an apocalyptic number.

1000031231031 is a deficient number, since it is larger than the sum of its proper divisors (532634311113).

1000031231031 is a wasteful number, since it uses less digits than its factorization.

1000031231031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 275263390.

The product of its (nonzero) digits is 54, while the sum is 15.

Adding to 1000031231031 its reverse (1301321300001), we get a palindrome (2301352531032).

The spelling of 1000031231031 in words is "one trillion, thirty-one million, two hundred thirty-one thousand, thirty-one".