1030403131 has 4 divisors (see below), whose sum is σ = 1031649912. Its totient is φ = 1029156352.

The previous prime is 1030403113. The next prime is 1030403173. The reversal of 1030403131 is 1313040301.

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 1030403131 - 2¹¹ = 1030401083 is a prime.

It is a super-2 number, since 2×1030403131² = 2123461224749206322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1030403531) 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, 622150 + ... + 623803.

It is an arithmetic number, because the mean of its divisors is an integer number (257912478).

Almost surely, 2^1030403131 is an apocalyptic number.

1030403131 is a deficient number, since it is larger than the sum of its proper divisors (1246781).

1030403131 is an equidigital number, since it uses as much as digits as its factorization.

1030403131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1246780.

The product of its (nonzero) digits is 108, while the sum is 16.

The square root of 1030403131 is about 32099.8930060522. The cubic root of 1030403131 is about 1010.0333717693.

Adding to 1030403131 its reverse (1313040301), we get a palindrome (2343443432).

The spelling of 1030403131 in words is "one billion, thirty million, four hundred three thousand, one hundred thirty-one".