63020086531 has 2 divisors, whose sum is σ = 63020086532. Its totient is φ = 63020086530.

The previous prime is 63020086489. The next prime is 63020086543. The reversal of 63020086531 is 13568002036.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 63020086531 - 2²³ = 63011697923 is a prime.

It is a super-2 number, since 2×63020086531² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (63020036531) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31510043265 + 31510043266.

It is an arithmetic number, because the mean of its divisors is an integer number (31510043266).

Almost surely, 2^63020086531 is an apocalyptic number.

63020086531 is a deficient number, since it is larger than the sum of its proper divisors (1).

63020086531 is an equidigital number, since it uses as much as digits as its factorization.

63020086531 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 25920, while the sum is 34.

Adding to 63020086531 its reverse (13568002036), we get a palindrome (76588088567).

The spelling of 63020086531 in words is "sixty-three billion, twenty million, eighty-six thousand, five hundred thirty-one".