1015430135231 has 2 divisors, whose sum is σ = 1015430135232. Its totient is φ = 1015430135230.

The previous prime is 1015430135131. The next prime is 1015430135267. The reversal of 1015430135231 is 1325310345101.

It is a strong prime.

It is an emirp because it is prime and its reverse (1325310345101) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1015430135231 is a prime.

It is a super-2 number, since 2×1015430135231² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1015430135194 and 1015430135203.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1015430135131) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 507715067615 + 507715067616.

It is an arithmetic number, because the mean of its divisors is an integer number (507715067616).

Almost surely, 2^{1015430135231} is an apocalyptic number.

1015430135231 is a deficient number, since it is larger than the sum of its proper divisors (1).

1015430135231 is an equidigital number, since it uses as much as digits as its factorization.

1015430135231 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5400, while the sum is 29.

The spelling of 1015430135231 in words is "one trillion, fifteen billion, four hundred thirty million, one hundred thirty-five thousand, two hundred thirty-one".