31201301103 has 24 divisors (see below), whose sum is σ = 48596394240. Its totient is φ = 17754695280.

The previous prime is 31201301093. The next prime is 31201301143. The reversal of 31201301103 is 30110310213.

It is not a de Polignac number, because 31201301103 - 2⁶ = 31201301039 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31201301143) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 408913 + ... + 479178.

It is an arithmetic number, because the mean of its divisors is an integer number (2024849760).

Almost surely, 2^31201301103 is an apocalyptic number.

31201301103 is a deficient number, since it is larger than the sum of its proper divisors (17395093137).

31201301103 is a wasteful number, since it uses less digits than its factorization.

31201301103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 888347 (or 888340 counting only the distinct ones).

The product of its (nonzero) digits is 54, while the sum is 15.

Adding to 31201301103 its reverse (30110310213), we get a palindrome (61311611316).

The spelling of 31201301103 in words is "thirty-one billion, two hundred one million, three hundred one thousand, one hundred three".