10145170731 has 8 divisors (see below), whose sum is σ = 13533899920. Its totient is φ = 6759944352.

The previous prime is 10145170723. The next prime is 10145170747. The reversal of 10145170731 is 13707154101.

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

It is not a de Polignac number, because 10145170731 - 2³ = 10145170723 is a prime.

It is a super-2 number, since 2×10145170731² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10145170751) 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, 868936 + ... + 880533.

It is an arithmetic number, because the mean of its divisors is an integer number (1691737490).

Almost surely, 2^10145170731 is an apocalyptic number.

10145170731 is a deficient number, since it is larger than the sum of its proper divisors (3388729189).

10145170731 is a wasteful number, since it uses less digits than its factorization.

10145170731 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1751405.

The product of its (nonzero) digits is 2940, while the sum is 30.

The spelling of 10145170731 in words is "ten billion, one hundred forty-five million, one hundred seventy thousand, seven hundred thirty-one".