152011531 has 16 divisors (see below), whose sum is σ = 181698048. Its totient is φ = 124344000.

The previous prime is 152011529. The next prime is 152011537. The reversal of 152011531 is 135110251.

It is a cyclic number.

It is not a de Polignac number, because 152011531 - 2¹ = 152011529 is a prime.

It is a super-2 number, since 2×152011531² = 46215011113927922, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 152011499 and 152011508.

It is not an unprimeable number, because it can be changed into a prime (152011537) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 95976 + ... + 97546.

It is an arithmetic number, because the mean of its divisors is an integer number (11356128).

Almost surely, 2^152011531 is an apocalyptic number.

152011531 is a deficient number, since it is larger than the sum of its proper divisors (29686517).

152011531 is a wasteful number, since it uses less digits than its factorization.

152011531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2202.

The product of its (nonzero) digits is 150, while the sum is 19.

The square root of 152011531 is about 12329.2956408710. The cubic root of 152011531 is about 533.6938247274.

Adding to 152011531 its reverse (135110251), we get a palindrome (287121782).

The spelling of 152011531 in words is "one hundred fifty-two million, eleven thousand, five hundred thirty-one".