30151402531 has 2 divisors, whose sum is σ = 30151402532. Its totient is φ = 30151402530.

The previous prime is 30151402471. The next prime is 30151402549. The reversal of 30151402531 is 13520415103.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 30151402531 - 2¹⁵ = 30151369763 is a prime.

It is a super-2 number, since 2×30151402531² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 30151402496 and 30151402505.

It is not a weakly prime, because it can be changed into another prime (30151402571) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15075701265 + 15075701266.

It is an arithmetic number, because the mean of its divisors is an integer number (15075701266).

Almost surely, 2^30151402531 is an apocalyptic number.

30151402531 is a deficient number, since it is larger than the sum of its proper divisors (1).

30151402531 is an equidigital number, since it uses as much as digits as its factorization.

30151402531 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1800, while the sum is 25.

Adding to 30151402531 its reverse (13520415103), we get a palindrome (43671817634).

The spelling of 30151402531 in words is "thirty billion, one hundred fifty-one million, four hundred two thousand, five hundred thirty-one".