151230431 has 16 divisors (see below), whose sum is σ = 172025856. Its totient is φ = 131700000.

The previous prime is 151230413. The next prime is 151230437. The reversal of 151230431 is 134032151.

It is a cyclic number.

It is not a de Polignac number, because 151230431 - 2¹⁴ = 151214047 is a prime.

It is a super-2 number, since 2×151230431² = 45741286520891522, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (151230437) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 32246 + ... + 36636.

It is an arithmetic number, because the mean of its divisors is an integer number (10751616).

Almost surely, 2^151230431 is an apocalyptic number.

151230431 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

151230431 is a deficient number, since it is larger than the sum of its proper divisors (20795425).

151230431 is a wasteful number, since it uses less digits than its factorization.

151230431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4534.

The product of its (nonzero) digits is 360, while the sum is 20.

The square root of 151230431 is about 12297.5782575270. The cubic root of 151230431 is about 532.7781391331.

Adding to 151230431 its reverse (134032151), we get a palindrome (285262582).

The spelling of 151230431 in words is "one hundred fifty-one million, two hundred thirty thousand, four hundred thirty-one".