11030131012 has 12 divisors (see below), whose sum is σ = 20438184060. Its totient is φ = 5190649856.

The previous prime is 11030131003. The next prime is 11030131031. The reversal of 11030131012 is 21013103011.

It can be written as a sum of positive squares in 2 ways, for example, as 7583971396 + 3446159616 = 87086^2 + 58704^2 .

It is a junction number, because it is equal to n+sod(n) for n = 11030130983 and 11030131001.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 81103837 + ... + 81103972.

It is an arithmetic number, because the mean of its divisors is an integer number (1703182005).

Almost surely, 2^11030131012 is an apocalyptic number.

It is an amenable number.

11030131012 is a deficient number, since it is larger than the sum of its proper divisors (9408053048).

11030131012 is a wasteful number, since it uses less digits than its factorization.

11030131012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 162207830 (or 162207828 counting only the distinct ones).

The product of its (nonzero) digits is 18, while the sum is 13.

Adding to 11030131012 its reverse (21013103011), we get a palindrome (32043234023).

The spelling of 11030131012 in words is "eleven billion, thirty million, one hundred thirty-one thousand, twelve".