151431127 has 16 divisors (see below), whose sum is σ = 159999840. Its totient is φ = 143119872.

The previous prime is 151431109. The next prime is 151431131. The reversal of 151431127 is 721134151.

It is a de Polignac number, because none of the positive numbers 2^k-151431127 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (151431107) 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, 493108 + ... + 493414.

It is an arithmetic number, because the mean of its divisors is an integer number (9999990).

Almost surely, 2^151431127 is an apocalyptic number.

151431127 is a deficient number, since it is larger than the sum of its proper divisors (8568713).

151431127 is a wasteful number, since it uses less digits than its factorization.

151431127 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 642.

The product of its digits is 840, while the sum is 25.

The square root of 151431127 is about 12305.7355326693. The cubic root of 151431127 is about 533.0137160059.

Adding to 151431127 its reverse (721134151), we get a palindrome (872565278).

The spelling of 151431127 in words is "one hundred fifty-one million, four hundred thirty-one thousand, one hundred twenty-seven".