31104053 has 4 divisors (see below), whose sum is σ = 31216620. Its totient is φ = 30991488.

The previous prime is 31104049. The next prime is 31104077. The reversal of 31104053 is 35040113.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 35040113 = 1381 ⋅25373.

It can be written as a sum of positive squares in 2 ways, for example, as 21325924 + 9778129 = 4618^2 + 3127^2 .

It is a cyclic number.

It is not a de Polignac number, because 31104053 - 2² = 31104049 is a prime.

It is a super-2 number, since 2×31104053² = 1934924226053618, which contains 22 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 (31103053) 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, 55868 + ... + 56421.

It is an arithmetic number, because the mean of its divisors is an integer number (7804155).

Almost surely, 2^31104053 is an apocalyptic number.

It is an amenable number.

31104053 is a deficient number, since it is larger than the sum of its proper divisors (112567).

31104053 is a wasteful number, since it uses less digits than its factorization.

31104053 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 112566.

The product of its (nonzero) digits is 180, while the sum is 17.

The square root of 31104053 is about 5577.1007701134. The cubic root of 31104053 is about 314.4891459306.

Adding to 31104053 its reverse (35040113), we get a palindrome (66144166).

The spelling of 31104053 in words is "thirty-one million, one hundred four thousand, fifty-three".