151531030 has 48 divisors (see below), whose sum is σ = 335969856. Its totient is φ = 48894720.

The previous prime is 151531027. The next prime is 151531031. The reversal of 151531030 is 30135151.

It is a junction number, because it is equal to n+sod(n) for n = 151530989 and 151531007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (151531031) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 766 + ... + 17425.

It is an arithmetic number, because the mean of its divisors is an integer number (6999372).

Almost surely, 2^151531030 is an apocalyptic number.

151531030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

151531030 is an abundant number, since it is smaller than the sum of its proper divisors (184438826).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

151531030 is a wasteful number, since it uses less digits than its factorization.

151531030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18229 (or 18222 counting only the distinct ones).

The product of its (nonzero) digits is 225, while the sum is 19.

The square root of 151531030 is about 12309.7940681394. The cubic root of 151531030 is about 533.1309045139.

Adding to 151531030 its reverse (30135151), we get a palindrome (181666181).

The spelling of 151531030 in words is "one hundred fifty-one million, five hundred thirty-one thousand, thirty".