1131202301031 has 24 divisors (see below), whose sum is σ = 1830676293264. Its totient is φ = 667048037760.

The previous prime is 1131202301029. The next prime is 1131202301041. The reversal of 1131202301031 is 1301032021311.

1131202301031 is a `hidden beast` number, since 1 + 131 + 202 + 301 + 0 + 31 = 666.

It is not a de Polignac number, because 1131202301031 - 2¹ = 1131202301029 is a prime.

It is a super-2 number, since 2×1131202301031² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1131202300995 and 1131202301013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1131202301041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 154405606 + ... + 154412931.

It is an arithmetic number, because the mean of its divisors is an integer number (76278178886).

Almost surely, 2^{1131202301031} is an apocalyptic number.

1131202301031 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1131202301031 is a deficient number, since it is larger than the sum of its proper divisors (699473992233).

1131202301031 is a wasteful number, since it uses less digits than its factorization.

1131202301031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 308818591 (or 308818588 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

Adding to 1131202301031 its reverse (1301032021311), we get a palindrome (2432234322342).

The spelling of 1131202301031 in words is "one trillion, one hundred thirty-one billion, two hundred two million, three hundred one thousand, thirty-one".