1231020014354 has 32 divisors (see below), whose sum is σ = 2046640357440. Its totient is φ = 551803828032.

The previous prime is 1231020014321. The next prime is 1231020014407. The reversal of 1231020014354 is 4534100201321.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (26).

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, 4706957 + ... + 4961600.

It is an arithmetic number, because the mean of its divisors is an integer number (63957511170).

Almost surely, 2^{1231020014354} is an apocalyptic number.

1231020014354 is a deficient number, since it is larger than the sum of its proper divisors (815620343086).

1231020014354 is a wasteful number, since it uses less digits than its factorization.

1231020014354 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9668714.

The product of its (nonzero) digits is 2880, while the sum is 26.

Adding to 1231020014354 its reverse (4534100201321), we get a palindrome (5765120215675).

The spelling of 1231020014354 in words is "one trillion, two hundred thirty-one billion, twenty million, fourteen thousand, three hundred fifty-four".