20315101432151 has 8 divisors (see below), whose sum is σ = 20524866361104. Its totient is φ = 20105343256320.

The previous prime is 20315101432099. The next prime is 20315101432193. The reversal of 20315101432151 is 15123410151302.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20315101432151 is a prime.

It is a super-2 number, since 2×20315101432151² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20315101432751) 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, 4474841 + ... + 7788093.

It is an arithmetic number, because the mean of its divisors is an integer number (2565608295138).

Almost surely, 2^{20315101432151} is an apocalyptic number.

20315101432151 is a deficient number, since it is larger than the sum of its proper divisors (209764928953).

20315101432151 is an equidigital number, since it uses as much as digits as its factorization.

20315101432151 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3376561.

The product of its (nonzero) digits is 3600, while the sum is 29.

Adding to 20315101432151 its reverse (15123410151302), we get a palindrome (35438511583453).

The spelling of 20315101432151 in words is "twenty trillion, three hundred fifteen billion, one hundred one million, four hundred thirty-two thousand, one hundred fifty-one".