103013131 has 8 divisors (see below), whose sum is σ = 111424880. Its totient is φ = 94671072.

The previous prime is 103013123. The next prime is 103013153. The reversal of 103013131 is 131310301.

It is a happy number.

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 103013131 - 2³ = 103013123 is a prime.

It is a super-2 number, since 2×103013131² = 21223410316846322, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (13).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (103013431) 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, 14325 + ... + 20278.

It is an arithmetic number, because the mean of its divisors is an integer number (13928110).

Almost surely, 2^103013131 is an apocalyptic number.

103013131 is a deficient number, since it is larger than the sum of its proper divisors (8411749).

103013131 is a wasteful number, since it uses less digits than its factorization.

103013131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34845.

The product of its (nonzero) digits is 27, while the sum is 13.

The square root of 103013131 is about 10149.5384624130. The cubic root of 103013131 is about 468.7747337230.

Adding to 103013131 its reverse (131310301), we get a palindrome (234323432).

It can be divided in two parts, 1030 and 13131, that added together give a square (14161 = 119²).

The spelling of 103013131 in words is "one hundred three million, thirteen thousand, one hundred thirty-one".