1011223030131 has 6 divisors (see below), whose sum is σ = 1460655487980. Its totient is φ = 674148686748.

The previous prime is 1011223030127. The next prime is 1011223030133. The reversal of 1011223030131 is 1310303221101.

1011223030131 is a `hidden beast` number, since 101 + 1 + 2 + 230 + 301 + 31 = 666.

It is not a de Polignac number, because 1011223030131 - 2² = 1011223030127 is a prime.

It is a super-2 number, since 2×1011223030131² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1011223030133) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 56179057221 + ... + 56179057238.

It is an arithmetic number, because the mean of its divisors is an integer number (243442581330).

Almost surely, 2^{1011223030131} is an apocalyptic number.

1011223030131 is a deficient number, since it is larger than the sum of its proper divisors (449432457849).

1011223030131 is a wasteful number, since it uses less digits than its factorization.

1011223030131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 112358114465 (or 112358114462 counting only the distinct ones).

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

Adding to 1011223030131 its reverse (1310303221101), we get a palindrome (2321526251232).

It can be divided in two parts, 101122 and 3030131, that added together give a triangular number (3131253 = T₂₅₀₂).

The spelling of 1011223030131 in words is "one trillion, eleven billion, two hundred twenty-three million, thirty thousand, one hundred thirty-one".