151343431 has 16 divisors (see below), whose sum is σ = 164269440. Its totient is φ = 139104000.

The previous prime is 151343411. The next prime is 151343453. The reversal of 151343431 is 134343151.

It is a cyclic number.

It is not a de Polignac number, because 151343431 - 2⁵ = 151343399 is a prime.

It is a super-2 number, since 2×151343431² = 45809668213703522, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 151343396 and 151343405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (151343411) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 48931 + ... + 51931.

It is an arithmetic number, because the mean of its divisors is an integer number (10266840).

Almost surely, 2^151343431 is an apocalyptic number.

151343431 is a deficient number, since it is larger than the sum of its proper divisors (12926009).

151343431 is a wasteful number, since it uses less digits than its factorization.

151343431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3114.

The product of its digits is 2160, while the sum is 25.

The square root of 151343431 is about 12302.1718001335. The cubic root of 151343431 is about 532.9108041015.

Adding to 151343431 its reverse (134343151), we get a palindrome (285686582).

It can be divided in two parts, 1513 and 43431, that added together give a palindrome (44944).

The spelling of 151343431 in words is "one hundred fifty-one million, three hundred forty-three thousand, four hundred thirty-one".