1023530131 has 8 divisors (see below), whose sum is σ = 1137820544. Its totient is φ = 914319360.

The previous prime is 1023530113. The next prime is 1023530143. The reversal of 1023530131 is 1310353201.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1023530131 - 2¹⁷ = 1023399059 is a prime.

It is a super-2 number, since 2×1023530131² = 2095227858129754322, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1023530099 and 1023530108.

It is not an unprimeable number, because it can be changed into a prime (1023530111) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1269486 + ... + 1270291.

It is an arithmetic number, because the mean of its divisors is an integer number (142227568).

Almost surely, 2^1023530131 is an apocalyptic number.

1023530131 is a deficient number, since it is larger than the sum of its proper divisors (114290413).

1023530131 is a wasteful number, since it uses less digits than its factorization.

1023530131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2539821.

The product of its (nonzero) digits is 270, while the sum is 19.

The square root of 1023530131 is about 31992.6574544848. The cubic root of 1023530131 is about 1007.7826502247.

Adding to 1023530131 its reverse (1310353201), we get a palindrome (2333883332).

The spelling of 1023530131 in words is "one billion, twenty-three million, five hundred thirty thousand, one hundred thirty-one".