151201223031 has 4 divisors (see below), whose sum is σ = 201601630712. Its totient is φ = 100800815352.

The previous prime is 151201223011. The next prime is 151201223051. The reversal of 151201223031 is 130322102151.

151201223031 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (151201223011) and next prime (151201223051).

It is not a de Polignac number, because 151201223031 - 2⁶ = 151201222967 is a prime.

It is a super-2 number, since 2×151201223031² (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 = 151201222989 and 151201223007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (151201223011) 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 3 ways as a sum of consecutive naturals, for example, 25200203836 + ... + 25200203841.

It is an arithmetic number, because the mean of its divisors is an integer number (50400407678).

Almost surely, 2^151201223031 is an apocalyptic number.

151201223031 is a deficient number, since it is larger than the sum of its proper divisors (50400407681).

151201223031 is an equidigital number, since it uses as much as digits as its factorization.

151201223031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50400407680.

The product of its (nonzero) digits is 360, while the sum is 21.

Adding to 151201223031 its reverse (130322102151), we get a palindrome (281523325182).

The spelling of 151201223031 in words is "one hundred fifty-one billion, two hundred one million, two hundred twenty-three thousand, thirty-one".