1541142431 has 2 divisors, whose sum is σ = 1541142432. Its totient is φ = 1541142430.

The previous prime is 1541142413. The next prime is 1541142467. The reversal of 1541142431 is 1342411451.

Together with previous prime (1541142413) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1541142431 - 2³⁰ = 467400607 is a prime.

It is a super-2 number, since 2×1541142431² = 4750239985257179522, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1541142431.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1541142731) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 770571215 + 770571216.

It is an arithmetic number, because the mean of its divisors is an integer number (770571216).

Almost surely, 2^1541142431 is an apocalyptic number.

1541142431 is a deficient number, since it is larger than the sum of its proper divisors (1).

1541142431 is an equidigital number, since it uses as much as digits as its factorization.

1541142431 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1920, while the sum is 26.

The square root of 1541142431 is about 39257.3869609275. The cubic root of 1541142431 is about 1155.0858380886.

Adding to 1541142431 its reverse (1342411451), we get a palindrome (2883553882).

The spelling of 1541142431 in words is "one billion, five hundred forty-one million, one hundred forty-two thousand, four hundred thirty-one".