120313223031 has 16 divisors (see below), whose sum is σ = 167421452544. Its totient is φ = 76708118784.

The previous prime is 120313223011. The next prime is 120313223057. The reversal of 120313223031 is 130322313021.

It is not a de Polignac number, because 120313223031 - 2⁷ = 120313222903 is a prime.

It is a super-2 number, since 2×120313223031² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 120313222989 and 120313223007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120313223011) 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, 255280 + ... + 552986.

It is an arithmetic number, because the mean of its divisors is an integer number (10463840784).

Almost surely, 2^120313223031 is an apocalyptic number.

120313223031 is a deficient number, since it is larger than the sum of its proper divisors (47108229513).

120313223031 is a wasteful number, since it uses less digits than its factorization.

120313223031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 303590.

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 120313223031 its reverse (130322313021), we get a palindrome (250635536052).

The spelling of 120313223031 in words is "one hundred twenty billion, three hundred thirteen million, two hundred twenty-three thousand, thirty-one".