131023502435 has 32 divisors (see below), whose sum is σ = 180505608192. Its totient is φ = 89437455360.

The previous prime is 131023502419. The next prime is 131023502479. The reversal of 131023502435 is 534205320131.

It is a happy number.

It is not a de Polignac number, because 131023502435 - 2⁴ = 131023502419 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 131023502398 and 131023502407.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7490750 + ... + 7508220.

It is an arithmetic number, because the mean of its divisors is an integer number (5640800256).

Almost surely, 2^131023502435 is an apocalyptic number.

131023502435 is a deficient number, since it is larger than the sum of its proper divisors (49482105757).

131023502435 is a wasteful number, since it uses less digits than its factorization.

131023502435 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18443.

The product of its (nonzero) digits is 10800, while the sum is 29.

Adding to 131023502435 its reverse (534205320131), we get a palindrome (665228822566).

The spelling of 131023502435 in words is "one hundred thirty-one billion, twenty-three million, five hundred two thousand, four hundred thirty-five".