1120203101031 has 64 divisors (see below), whose sum is σ = 1882306560000. Its totient is φ = 578102458752.

The previous prime is 1120203100967. The next prime is 1120203101041. The reversal of 1120203101031 is 1301013020211.

It is a happy number.

It is not a de Polignac number, because 1120203101031 - 2⁶ = 1120203100967 is a prime.

It is a super-2 number, since 2×1120203101031² (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 1120203101031.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1120203101041) 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, 301380 + ... + 1526838.

It is an arithmetic number, because the mean of its divisors is an integer number (29411040000).

Almost surely, 2^{1120203101031} is an apocalyptic number.

1120203101031 is a deficient number, since it is larger than the sum of its proper divisors (762103458969).

1120203101031 is a wasteful number, since it uses less digits than its factorization.

1120203101031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1225596.

The product of its (nonzero) digits is 36, while the sum is 15.

Adding to 1120203101031 its reverse (1301013020211), we get a palindrome (2421216121242).

The spelling of 1120203101031 in words is "one trillion, one hundred twenty billion, two hundred three million, one hundred one thousand, thirty-one".