10131213040 has 80 divisors (see below), whose sum is σ = 25618422816. Its totient is φ = 3703680000.

The previous prime is 10131213031. The next prime is 10131213073. The reversal of 10131213040 is 4031213101.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 56815 + ... + 153265.

Almost surely, 2^10131213040 is an apocalyptic number.

10131213040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 10131213040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12809211408).

10131213040 is an abundant number, since it is smaller than the sum of its proper divisors (15487209776).

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

10131213040 is a wasteful number, since it uses less digits than its factorization.

10131213040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96578 (or 96572 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 10131213040 its reverse (4031213101), we get a palindrome (14162426141).

The spelling of 10131213040 in words is "ten billion, one hundred thirty-one million, two hundred thirteen thousand, forty".