151031420 has 24 divisors (see below), whose sum is σ = 328104000. Its totient is φ = 58329152.

The previous prime is 151031407. The next prime is 151031431. The reversal of 151031420 is 24130151.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 129620 + ... + 130779.

It is an arithmetic number, because the mean of its divisors is an integer number (13671000).

Almost surely, 2^151031420 is an apocalyptic number.

151031420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

151031420 is an abundant number, since it is smaller than the sum of its proper divisors (177072580).

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

151031420 is a wasteful number, since it uses less digits than its factorization.

151031420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 260437 (or 260435 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 17.

The square root of 151031420 is about 12289.4841226147. The cubic root of 151031420 is about 532.5443342194.

Adding to 151031420 its reverse (24130151), we get a palindrome (175161571).

The spelling of 151031420 in words is "one hundred fifty-one million, thirty-one thousand, four hundred twenty".