131121033 has 16 divisors (see below), whose sum is σ = 184979520. Its totient is φ = 82385856.

The previous prime is 131121031. The next prime is 131121113. The reversal of 131121033 is 330121131.

It is not a de Polignac number, because 131121033 - 2¹ = 131121031 is a prime.

131121033 is a modest number, since divided by 21033 gives 1311 as remainder.

It is not an unprimeable number, because it can be changed into a prime (131121031) 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, 5391 + ... + 17067.

It is an arithmetic number, because the mean of its divisors is an integer number (11561220).

Almost surely, 2^131121033 is an apocalyptic number.

It is an amenable number.

131121033 is a deficient number, since it is larger than the sum of its proper divisors (53858487).

131121033 is a wasteful number, since it uses less digits than its factorization.

131121033 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11896.

The product of its (nonzero) digits is 54, while the sum is 15.

The square root of 131121033 is about 11450.8092727108. The cubic root of 131121033 is about 508.0316710471.

Adding to 131121033 its reverse (330121131), we get a palindrome (461242164).

The spelling of 131121033 in words is "one hundred thirty-one million, one hundred twenty-one thousand, thirty-three".