152531131 has 8 divisors (see below), whose sum is σ = 156808064. Its totient is φ = 148262400.

The previous prime is 152531081. The next prime is 152531149. The reversal of 152531131 is 131135251.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 152531131 - 2¹³ = 152522939 is a prime.

It is a super-2 number, since 2×152531131² = 46531491848278322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (152531231) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 71131 + ... + 73243.

It is an arithmetic number, because the mean of its divisors is an integer number (19601008).

Almost surely, 2^152531131 is an apocalyptic number.

152531131 is a deficient number, since it is larger than the sum of its proper divisors (4276933).

152531131 is a wasteful number, since it uses less digits than its factorization.

152531131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4101.

The product of its digits is 450, while the sum is 22.

The square root of 152531131 is about 12350.3494282551. The cubic root of 152531131 is about 534.3012171354.

Adding to 152531131 its reverse (131135251), we get a palindrome (283666382).

It can be divided in two parts, 15253 and 1131, that added together give a 14-th power (16384 = 2¹⁴).

The spelling of 152531131 in words is "one hundred fifty-two million, five hundred thirty-one thousand, one hundred thirty-one".