1023535240131 has 16 divisors (see below), whose sum is σ = 1365741158400. Its totient is φ = 681843258048.

The previous prime is 1023535240127. The next prime is 1023535240187. The reversal of 1023535240131 is 1310425353201.

It is not a de Polignac number, because 1023535240131 - 2² = 1023535240127 is a prime.

It is a super-2 number, since 2×1023535240131² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1023535940131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25775550 + ... + 25815228.

It is an arithmetic number, because the mean of its divisors is an integer number (85358822400).

Almost surely, 2^{1023535240131} is an apocalyptic number.

1023535240131 is a deficient number, since it is larger than the sum of its proper divisors (342205918269).

1023535240131 is a wasteful number, since it uses less digits than its factorization.

1023535240131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45938.

The product of its (nonzero) digits is 10800, while the sum is 30.

The spelling of 1023535240131 in words is "one trillion, twenty-three billion, five hundred thirty-five million, two hundred forty thousand, one hundred thirty-one".