1015042202431 has 4 divisors (see below), whose sum is σ = 1015256849200. Its totient is φ = 1014827555664.

The previous prime is 1015042202413. The next prime is 1015042202483. The reversal of 1015042202431 is 1342022405101.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1015042202431 - 2¹⁵ = 1015042169663 is a prime.

It is a super-2 number, since 2×1015042202431² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1015042202396 and 1015042202405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1015042202731) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 107316291 + ... + 107325748.

It is an arithmetic number, because the mean of its divisors is an integer number (253814212300).

Almost surely, 2^{1015042202431} is an apocalyptic number.

1015042202431 is a deficient number, since it is larger than the sum of its proper divisors (214646769).

1015042202431 is an equidigital number, since it uses as much as digits as its factorization.

1015042202431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 214646768.

The product of its (nonzero) digits is 1920, while the sum is 25.

Adding to 1015042202431 its reverse (1342022405101), we get a palindrome (2357064607532).

The spelling of 1015042202431 in words is "one trillion, fifteen billion, forty-two million, two hundred two thousand, four hundred thirty-one".