31002103320134 has 24 divisors (see below), whose sum is σ = 49338505314840. Its totient is φ = 14605792964928.

The previous prime is 31002103320131. The next prime is 31002103320233. The reversal of 31002103320134 is 43102330120013.

It is a super-2 number, since 2×31002103320134² (a number of 28 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31002103320131) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 218604899 + ... + 218746670.

It is an arithmetic number, because the mean of its divisors is an integer number (2055771054785).

Almost surely, 2^{31002103320134} is an apocalyptic number.

31002103320134 is a deficient number, since it is larger than the sum of its proper divisors (18336401994706).

31002103320134 is a wasteful number, since it uses less digits than its factorization.

31002103320134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 437351684 (or 437351661 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 23.

Adding to 31002103320134 its reverse (43102330120013), we get a palindrome (74104433440147).

The spelling of 31002103320134 in words is "thirty-one trillion, two billion, one hundred three million, three hundred twenty thousand, one hundred thirty-four".