1201132031331 has 16 divisors (see below), whose sum is σ = 1691274445056. Its totient is φ = 756711078816.

The previous prime is 1201132031299. The next prime is 1201132031371. The reversal of 1201132031331 is 1331302311021.

It is a happy number.

It is not a de Polignac number, because 1201132031331 - 2⁵ = 1201132031299 is a prime.

It is a super-2 number, since 2×1201132031331² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1201132031298 and 1201132031307.

It is not an unprimeable number, because it can be changed into a prime (1201132031371) 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 15 ways as a sum of consecutive naturals, for example, 104860000 + ... + 104871453.

It is an arithmetic number, because the mean of its divisors is an integer number (105704652816).

Almost surely, 2^{1201132031331} is an apocalyptic number.

1201132031331 is a deficient number, since it is larger than the sum of its proper divisors (490142413725).

1201132031331 is a wasteful number, since it uses less digits than its factorization.

1201132031331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 209731562.

The product of its (nonzero) digits is 324, while the sum is 21.

Adding to 1201132031331 its reverse (1331302311021), we get a palindrome (2532434342352).

The spelling of 1201132031331 in words is "one trillion, two hundred one billion, one hundred thirty-two million, thirty-one thousand, three hundred thirty-one".