31143010002 has 32 divisors (see below), whose sum is σ = 67114595520. Its totient is φ = 9577129920.

The previous prime is 31143009983. The next prime is 31143010009. The reversal of 31143010002 is 20001034113.

It is not an unprimeable number, because it can be changed into a prime (31143010009) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 31024 + ... + 251492.

It is an arithmetic number, because the mean of its divisors is an integer number (2097331110).

Almost surely, 2^31143010002 is an apocalyptic number.

31143010002 is an abundant number, since it is smaller than the sum of its proper divisors (35971585518).

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

31143010002 is a wasteful number, since it uses less digits than its factorization.

31143010002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 222298.

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 31143010002 its reverse (20001034113), we get a palindrome (51144044115).

The spelling of 31143010002 in words is "thirty-one billion, one hundred forty-three million, ten thousand, two".