31102034 has 4 divisors (see below), whose sum is σ = 46653054. Its totient is φ = 15551016.

The previous prime is 31102013. The next prime is 31102037. The reversal of 31102034 is 43020113.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 43020113 = 103 ⋅417671.

It can be written as a sum of positive squares in only one way, i.e., 30283009 + 819025 = 5503^2 + 905^2 .

It is not an unprimeable number, because it can be changed into a prime (31102037) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7775507 + ... + 7775510.

Almost surely, 2^31102034 is an apocalyptic number.

31102034 is a deficient number, since it is larger than the sum of its proper divisors (15551020).

31102034 is a wasteful number, since it uses less digits than its factorization.

31102034 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15551019.

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 31102034 is about 5576.9197591502. The cubic root of 31102034 is about 314.4823411655.

Adding to 31102034 its reverse (43020113), we get a palindrome (74122147).

The spelling of 31102034 in words is "thirty-one million, one hundred two thousand, thirty-four".