1072156346331 has 16 divisors (see below), whose sum is σ = 1633940761344. Its totient is φ = 612593753184.

The previous prime is 1072156346323. The next prime is 1072156346347. The reversal of 1072156346331 is 1336436512701.

It is not a de Polignac number, because 1072156346331 - 2³ = 1072156346323 is a prime.

It is a super-2 number, since 2×1072156346331² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1072156346531) 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, 2595465 + ... + 2980058.

It is an arithmetic number, because the mean of its divisors is an integer number (102121297584).

Almost surely, 2^{1072156346331} is an apocalyptic number.

1072156346331 is a deficient number, since it is larger than the sum of its proper divisors (561784415013).

1072156346331 is an equidigital number, since it uses as much as digits as its factorization.

1072156346331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5584690.

The product of its (nonzero) digits is 272160, while the sum is 42.

It can be divided in two parts, 107215 and 6346331, that added together give a palindrome (6453546).

The spelling of 1072156346331 in words is "one trillion, seventy-two billion, one hundred fifty-six million, three hundred forty-six thousand, three hundred thirty-one".