120331211003031 has 16 divisors (see below), whose sum is σ = 183366342238464. Its totient is φ = 68759005664064.

The previous prime is 120331211003021. The next prime is 120331211003053. The reversal of 120331211003031 is 130300112133021.

It is a happy number.

It is not a de Polignac number, because 120331211003031 - 2¹⁰ = 120331211002007 is a prime.

It is a super-2 number, since 2×120331211003031² (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a junction number, because it is equal to n+sod(n) for n = 120331211002989 and 120331211003007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120331211003011) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 69387150 + ... + 71100203.

It is an arithmetic number, because the mean of its divisors is an integer number (11460396389904).

Almost surely, 2^{120331211003031} is an apocalyptic number.

120331211003031 is a deficient number, since it is larger than the sum of its proper divisors (63035131235433).

120331211003031 is a wasteful number, since it uses less digits than its factorization.

120331211003031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 140528150.

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

Adding to 120331211003031 its reverse (130300112133021), we get a palindrome (250631323136052).

The spelling of 120331211003031 in words is "one hundred twenty trillion, three hundred thirty-one billion, two hundred eleven million, three thousand, thirty-one".