31142131003 has 8 divisors (see below), whose sum is σ = 32991622272. Its totient is φ = 29294595456.

The previous prime is 31142130989. The next prime is 31142131043. The reversal of 31142131003 is 30013124113.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 31142131003 - 2⁹ = 31142130491 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (31142131043) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 456075 + ... + 519892.

It is an arithmetic number, because the mean of its divisors is an integer number (4123952784).

Almost surely, 2^31142131003 is an apocalyptic number.

31142131003 is a deficient number, since it is larger than the sum of its proper divisors (1849491269).

31142131003 is a wasteful number, since it uses less digits than its factorization.

31142131003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 977861.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 31142131003 its reverse (30013124113), we get a palindrome (61155255116).

The spelling of 31142131003 in words is "thirty-one billion, one hundred forty-two million, one hundred thirty-one thousand, three".