451531422131 has 16 divisors (see below), whose sum is σ = 477925596000. Its totient is φ = 425970494208.

The previous prime is 451531422107. The next prime is 451531422137. The reversal of 451531422131 is 131224135154.

It is a cyclic number.

It is not a de Polignac number, because 451531422131 - 2¹⁴ = 451531405747 is a prime.

It is a super-2 number, since 2×451531422131² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (451531422137) 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, 770156 + ... + 1223193.

It is an arithmetic number, because the mean of its divisors is an integer number (29870349750).

Almost surely, 2^451531422131 is an apocalyptic number.

451531422131 is a deficient number, since it is larger than the sum of its proper divisors (26394173869).

451531422131 is a wasteful number, since it uses less digits than its factorization.

451531422131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1993558.

The product of its digits is 14400, while the sum is 32.

Adding to 451531422131 its reverse (131224135154), we get a palindrome (582755557285).

The spelling of 451531422131 in words is "four hundred fifty-one billion, five hundred thirty-one million, four hundred twenty-two thousand, one hundred thirty-one".