151220530031 has 8 divisors (see below), whose sum is σ = 152927409600. Its totient is φ = 149513823360.

The previous prime is 151220530009. The next prime is 151220530067. The reversal of 151220530031 is 130035022151.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-151220530031 is a prime.

It is a super-2 number, since 2×151220530031² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 151220529979 and 151220530006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (151220530631) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2670371 + ... + 2726411.

It is an arithmetic number, because the mean of its divisors is an integer number (19115926200).

Almost surely, 2^151220530031 is an apocalyptic number.

151220530031 is a deficient number, since it is larger than the sum of its proper divisors (1706879569).

151220530031 is an equidigital number, since it uses as much as digits as its factorization.

151220530031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86449.

The product of its (nonzero) digits is 900, while the sum is 23.

Adding to 151220530031 its reverse (130035022151), we get a palindrome (281255552182).

The spelling of 151220530031 in words is "one hundred fifty-one billion, two hundred twenty million, five hundred thirty thousand, thirty-one".