1011312103 has 8 divisors (see below), whose sum is σ = 1018177488. Its totient is φ = 1004470464.

The previous prime is 1011312079. The next prime is 1011312119. The reversal of 1011312103 is 3012131101.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1011312103 is a prime.

It is a super-3 number, since 3×1011312103³ (a number of 28 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1011312193) 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, 84075 + ... + 95347.

It is an arithmetic number, because the mean of its divisors is an integer number (127272186).

Almost surely, 2^1011312103 is an apocalyptic number.

1011312103 is a deficient number, since it is larger than the sum of its proper divisors (6865385).

1011312103 is a wasteful number, since it uses less digits than its factorization.

1011312103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11873.

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

The square root of 1011312103 is about 31801.1336747607. The cubic root of 1011312103 is about 1003.7565714999.

Adding to 1011312103 its reverse (3012131101), we get a palindrome (4023443204).

The spelling of 1011312103 in words is "one billion, eleven million, three hundred twelve thousand, one hundred three".