32145337531 has 2 divisors, whose sum is σ = 32145337532. Its totient is φ = 32145337530.

The previous prime is 32145337507. The next prime is 32145337547. The reversal of 32145337531 is 13573354123.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 32145337531 - 2¹³ = 32145329339 is a prime.

It is a super-2 number, since 2×32145337531² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (32145331531) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16072668765 + 16072668766.

It is an arithmetic number, because the mean of its divisors is an integer number (16072668766).

Almost surely, 2^32145337531 is an apocalyptic number.

32145337531 is a deficient number, since it is larger than the sum of its proper divisors (1).

32145337531 is an equidigital number, since it uses as much as digits as its factorization.

32145337531 is an evil number, because the sum of its binary digits is even.

The product of its digits is 113400, while the sum is 37.

The spelling of 32145337531 in words is "thirty-two billion, one hundred forty-five million, three hundred thirty-seven thousand, five hundred thirty-one".