45522012131 has 4 divisors (see below), whose sum is σ = 45524763000. Its totient is φ = 45519261264.

The previous prime is 45522012101. The next prime is 45522012167. The reversal of 45522012131 is 13121022554.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 13121022554 = 2 ⋅6560511277.

It is a cyclic number.

It is not a de Polignac number, because 45522012131 - 2¹⁰ = 45522011107 is a prime.

It is a super-2 number, since 2×45522012131² (a number of 22 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 45522012131.

It is not an unprimeable number, because it can be changed into a prime (45522012101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1350461 + ... + 1383758.

It is an arithmetic number, because the mean of its divisors is an integer number (11381190750).

Almost surely, 2^45522012131 is an apocalyptic number.

45522012131 is a deficient number, since it is larger than the sum of its proper divisors (2750869).

45522012131 is a wasteful number, since it uses less digits than its factorization.

45522012131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2750868.

The product of its (nonzero) digits is 2400, while the sum is 26.

Adding to 45522012131 its reverse (13121022554), we get a palindrome (58643034685).

The spelling of 45522012131 in words is "forty-five billion, five hundred twenty-two million, twelve thousand, one hundred thirty-one".