3131098 has 4 divisors (see below), whose sum is σ = 4696650. Its totient is φ = 1565548.

The previous prime is 3131087. The next prime is 3131099. The reversal of 3131098 is 8901313.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 8901313 = 1187 ⋅7499.

It can be written as a sum of positive squares in only one way, i.e., 2699449 + 431649 = 1643^2 + 657^2 .

It is not an unprimeable number, because it can be changed into a prime (3131099) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 782773 + ... + 782776.

Almost surely, 2^3131098 is an apocalyptic number.

3131098 is a deficient number, since it is larger than the sum of its proper divisors (1565552).

3131098 is a wasteful number, since it uses less digits than its factorization.

3131098 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1565551.

The product of its (nonzero) digits is 648, while the sum is 25.

The square root of 3131098 is about 1769.4908872328. The cubic root of 3131098 is about 146.2959219758.

The spelling of 3131098 in words is "three million, one hundred thirty-one thousand, ninety-eight".