30103111311 has 48 divisors (see below), whose sum is σ = 51014098944. Its totient is φ = 15449346432.

The previous prime is 30103111277. The next prime is 30103111331. The reversal of 30103111311 is 11311130103.

It is not a de Polignac number, because 30103111311 - 2¹³ = 30103103119 is a prime.

It is a super-2 number, since 2×30103111311² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30103111331) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 16690 + ... + 245936.

It is an arithmetic number, because the mean of its divisors is an integer number (1062793728).

Almost surely, 2^30103111311 is an apocalyptic number.

30103111311 is a deficient number, since it is larger than the sum of its proper divisors (20910987633).

30103111311 is a wasteful number, since it uses less digits than its factorization.

30103111311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 229320 (or 229307 counting only the distinct ones).

The product of its (nonzero) digits is 27, while the sum is 15.

Adding to 30103111311 its reverse (11311130103), we get a palindrome (41414241414).

The spelling of 30103111311 in words is "thirty billion, one hundred three million, one hundred eleven thousand, three hundred eleven".