1203020311131 has 12 divisors (see below), whose sum is σ = 1784660762352. Its totient is φ = 780337498896.

The previous prime is 1203020311127. The next prime is 1203020311159. The reversal of 1203020311131 is 1311130203021.

1203020311131 is a `hidden beast` number, since 1 + 20 + 302 + 0 + 311 + 1 + 31 = 666.

It is not a de Polignac number, because 1203020311131 - 2² = 1203020311127 is a prime.

It is a super-2 number, since 2×1203020311131² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1203020311111) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1806336471 + ... + 1806337136.

It is an arithmetic number, because the mean of its divisors is an integer number (148721730196).

Almost surely, 2^{1203020311131} is an apocalyptic number.

1203020311131 is a deficient number, since it is larger than the sum of its proper divisors (581640451221).

1203020311131 is a wasteful number, since it uses less digits than its factorization.

1203020311131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3612673650 (or 3612673647 counting only the distinct ones).

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

Adding to 1203020311131 its reverse (1311130203021), we get a palindrome (2514150514152).

It can be divided in two parts, 1203020 and 311131, that added together give a palindrome (1514151).

The spelling of 1203020311131 in words is "one trillion, two hundred three billion, twenty million, three hundred eleven thousand, one hundred thirty-one".