152340002531 has 4 divisors (see below), whose sum is σ = 152946935064. Its totient is φ = 151733070000.

The previous prime is 152340002509. The next prime is 152340002537. The reversal of 152340002531 is 135200043251.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 152340002531 - 2²⁶ = 152272893667 is a prime.

It is a super-2 number, since 2×152340002531² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 152340002531.

It is not an unprimeable number, because it can be changed into a prime (152340002537) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 303465890 + ... + 303466391.

It is an arithmetic number, because the mean of its divisors is an integer number (38236733766).

Almost surely, 2^152340002531 is an apocalyptic number.

152340002531 is a deficient number, since it is larger than the sum of its proper divisors (606932533).

152340002531 is an equidigital number, since it uses as much as digits as its factorization.

152340002531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 606932532.

The product of its (nonzero) digits is 3600, while the sum is 26.

Adding to 152340002531 its reverse (135200043251), we get a palindrome (287540045782).

The spelling of 152340002531 in words is "one hundred fifty-two billion, three hundred forty million, two thousand, five hundred thirty-one".