151242220031 has 16 divisors (see below), whose sum is σ = 184044288000. Its totient is φ = 123999826104.

The previous prime is 151242220001. The next prime is 151242220079. The reversal of 151242220031 is 130022242151.

It is not a de Polignac number, because 151242220031 - 2⁶ = 151242219967 is a prime.

It is a super-2 number, since 2×151242220031² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 151242219979 and 151242220006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (151242220001) 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 15 ways as a sum of consecutive naturals, for example, 9577751 + ... + 9593528.

It is an arithmetic number, because the mean of its divisors is an integer number (11502768000).

Almost surely, 2^151242220031 is an apocalyptic number.

151242220031 is a deficient number, since it is larger than the sum of its proper divisors (32802067969).

151242220031 is an equidigital number, since it uses as much as digits as its factorization.

151242220031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19171323 (or 19171309 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 23.

Adding to 151242220031 its reverse (130022242151), we get a palindrome (281264462182).

The spelling of 151242220031 in words is "one hundred fifty-one billion, two hundred forty-two million, two hundred twenty thousand, thirty-one".