31003134102 has 48 divisors (see below), whose sum is σ = 69730839360. Its totient is φ = 10324071432.

The previous prime is 31003134077. The next prime is 31003134143. The reversal of 31003134102 is 20143130013.

31003134102 is a `hidden beast` number, since 310 + 0 + 313 + 41 + 0 + 2 = 666.

It is a super-2 number, since 2×31003134102² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 463933 + ... + 526535.

It is an arithmetic number, because the mean of its divisors is an integer number (1452725820).

Almost surely, 2^31003134102 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 31003134102, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (34865419680).

31003134102 is an abundant number, since it is smaller than the sum of its proper divisors (38727705258).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

31003134102 is a wasteful number, since it uses less digits than its factorization.

31003134102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63639 (or 63627 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 31003134102 its reverse (20143130013), we get a palindrome (51146264115).

The spelling of 31003134102 in words is "thirty-one billion, three million, one hundred thirty-four thousand, one hundred two".