151143431 has 2 divisors, whose sum is σ = 151143432. Its totient is φ = 151143430.

The previous prime is 151143407. The next prime is 151143463. The reversal of 151143431 is 134341151.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 151143431 - 2¹⁴ = 151127047 is a prime.

It is a super-2 number, since 2×151143431² = 45688673468903522, which contains 22 as substring.

It is a Sophie Germain prime.

It is a junction number, because it is equal to n+sod(n) for n = 151143397 and 151143406.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (151143931) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 75571715 + 75571716.

It is an arithmetic number, because the mean of its divisors is an integer number (75571716).

Almost surely, 2^151143431 is an apocalyptic number.

151143431 is a deficient number, since it is larger than the sum of its proper divisors (1).

151143431 is an equidigital number, since it uses as much as digits as its factorization.

151143431 is an evil number, because the sum of its binary digits is even.

The product of its digits is 720, while the sum is 23.

The square root of 151143431 is about 12294.0404668278. The cubic root of 151143431 is about 532.6759538144.

Adding to 151143431 its reverse (134341151), we get a palindrome (285484582).

The spelling of 151143431 in words is "one hundred fifty-one million, one hundred forty-three thousand, four hundred thirty-one".