31151442131030 has 32 divisors (see below), whose sum is σ = 60656661160704. Its totient is φ = 11450492136576.

The previous prime is 31151442131027. The next prime is 31151442131071. The reversal of 31151442131030 is 3013124415113.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 31151442130984 and 31151442131002.

It is a congruent number.

It is an unprimeable number.

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, 537250109 + ... + 537308088.

It is an arithmetic number, because the mean of its divisors is an integer number (1895520661272).

Almost surely, 2^{31151442131030} is an apocalyptic number.

31151442131030 is a deficient number, since it is larger than the sum of its proper divisors (29505219029674).

31151442131030 is a wasteful number, since it uses less digits than its factorization.

31151442131030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1074558440.

The product of its (nonzero) digits is 4320, while the sum is 29.

Adding to 31151442131030 its reverse (3013124415113), we get a palindrome (34164566546143).

The spelling of 31151442131030 in words is "thirty-one trillion, one hundred fifty-one billion, four hundred forty-two million, one hundred thirty-one thousand, thirty".