1534343131 has 2 divisors, whose sum is σ = 1534343132. Its totient is φ = 1534343130.

The previous prime is 1534343099. The next prime is 1534343137. The reversal of 1534343131 is 1313434351.

It is a strong prime.

It is an emirp because it is prime and its reverse (1313434351) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1534343131 - 2⁵ = 1534343099 is a prime.

It is a super-2 number, since 2×1534343131² = 4708417687293766322, 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 1534343131.

It is not a weakly prime, because it can be changed into another prime (1534343137) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 767171565 + 767171566.

It is an arithmetic number, because the mean of its divisors is an integer number (767171566).

Almost surely, 2^1534343131 is an apocalyptic number.

1534343131 is a deficient number, since it is larger than the sum of its proper divisors (1).

1534343131 is an equidigital number, since it uses as much as digits as its factorization.

1534343131 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6480, while the sum is 28.

The square root of 1534343131 is about 39170.6922456063. The cubic root of 1534343131 is about 1153.3846426455.

Adding to 1534343131 its reverse (1313434351), we get a palindrome (2847777482).

The spelling of 1534343131 in words is "one billion, five hundred thirty-four million, three hundred forty-three thousand, one hundred thirty-one".