120213011031 has 8 divisors (see below), whose sum is σ = 160286293104. Its totient is φ = 80140868160.

The previous prime is 120213011027. The next prime is 120213011119. The reversal of 120213011031 is 130110312021.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 120213011031 - 2² = 120213011027 is a prime.

It is a super-2 number, since 2×120213011031² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 120213011031.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120213011011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2961 + ... + 490341.

It is an arithmetic number, because the mean of its divisors is an integer number (20035786638).

Almost surely, 2^120213011031 is an apocalyptic number.

120213011031 is a deficient number, since it is larger than the sum of its proper divisors (40073282073).

120213011031 is an equidigital number, since it uses as much as digits as its factorization.

120213011031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 569601.

The product of its (nonzero) digits is 36, while the sum is 15.

Adding to 120213011031 its reverse (130110312021), we get a palindrome (250323323052).

The spelling of 120213011031 in words is "one hundred twenty billion, two hundred thirteen million, eleven thousand, thirty-one".